l`ci*spon"gi* [NL., fr. L. calx, calcis, lime + spongia a sponge.] An order of marine sponges, containing calcareous spicules. See Porifera. Cal"cite [L. calx, calcis, lime.] Calcium carbonate, or carbonate of lime. It is rhombohedral in its crystallization, and thus distinguished from aragonite. It includes common limestone, chalk, and marble. Called also calc-spar calcareous spar &hand; Argentine is a pearly lamellar variety; aphrite is foliated or chalklike; dogtooth spar, a form in acute rhombohedral or scalenohedral crystals; calc-sinter and calc-tufa are lose or porous varieties formed in caverns or wet grounds from calcareous deposits; agaric mineral is a soft, white friable variety of similar origin; stalaclite and stalagmite are varieties formed from the drillings in caverns. Iceland spar is a transparent variety, exhibiting the strong double refraction of the species, and hence is called doubly refracting spar. Calcitrant Cal"ci*trant [L. calcitrans, p. pr. of calcitrare to kick, fr. calx, calcis , heel.] Kicking. Hence: Stubborn; refractory. Calcitrate Cal"ci*trate v. i. & i. [L. calcitratus, p. p. of calcitrare. See Calcitrant.] To kick. Calcitration Cal`ci*tra"tion Act of kicking. Cal"ci*um [NL., from L. calx, calcis, lime; cf F. calcium. See Calx.] An elementary substance; a metal which combined with oxygen forms lime. It is of a pale yellow color, tenacious, and malleable. It is a member of the alkaline earth group of elements. Atomic weight 40. Symbol Ca. &hand; Calcium is widely and abundantly disseminated, as in its compounds calcium carbonate or limestone, calcium sulphate or gypsum, calcium fluoride or fluor spar, calcium phosphate or apatite. Calcium light, an intense light produced by the incandescence of a stick or ball of lime in the flame of a combination of oxygen and hydrogen gases, or of oxygen and coal gas; -- called also Drummond light Calcivorous Cal*civ"o*rous [L. calx lime + vorare to devour.] Eroding, or eating into, limestone. Calcographer Cal*cog"ra*pher One who practices calcography. Calcographic, Calcographical Cal`co*graph"ic Cal`co*graph"ic*al Relating to, or in the style of, calcography. Calcography Cal*cog"ra*phy [L. calx, calcis, lime, chalk + -graphy.] The art of drawing with chalk. Calc-sinter Calc"-sin`ter [G. kalk (L. calx, calcis) lime + E. sinter.] See under Calcite. Calc-spar Calc"-spar` [G. kalk (L. calx) lime E. spar.] Same as Calcite. Calc-tufa Calc"-tu`fa [G. kalk (l. calx) lime + E. tufa.] See under Calcite. Calculable Cal"cu*la*ble [Cf. F. calculable.] That may be calculated or ascertained by calculation. Calculary Cal"cu*la*ry [L. calculus a pebble, a calculus; cf calcularius pertaining to calculation.] Of or pertaining to calculi. Cal"cu*la*ry A congeries of little stony knots found in the pulp of the pear and other fruits. Calculate Cal"cu*late imp. & p. p. p. pr. & vb. n. [L, calculatus, p. p. of calculate, fr. calculus a pebble, a stone used in reckoning; hence, a reckoning, fr. calx, calcis, a stone used in gaming, limestone. See Calx.] To ascertain or determine by mathematical processes, usually by the ordinary rules of arithmetic; to reckon up; to estimate; to compute. A calencar exacity calculated than any othe. To ascertain or predict by mathematical or astrological computations the time, circumstances, or other conditions of; to forecast or compute the character or consequences of; as, to calculate or cast one's nativity. A cunning man did calculate my birth. To adjust for purpose; to adapt by forethought or calculation; to fit or prepare by the adaptation of means to an end; as, to calculate a system of laws for the government and protection of a free people. [Religion] is . . . calculated for our benefit. Abp. Tillotson.

 surface, to a plane, or to carry out a series of small projections.
To make a noise by brisk drumbeats.
[Cf. Ir. d
b mire, stream, W. dwvr water.]
A pool or puddle.
The Syrian bear. See under Bear.
One who, or that which, dubs.
[Hind. dabbah.]
A globular vessel or bottle of leather, used in India to hold ghee, oil, etc.
Dub"bing
The act of dubbing, as a knight, etc.
The act of rubbing, smoothing, or dressing; a dressing off smooth with an adz.
A dressing of flour and water used by weavers; a mixture of oil and tallow for dressing leather; daubing.
The body substance of an angler's fly.
Du*bi"e*ty
[L. dubietas, fr. dubius. See Dubious.]
Doubtfulness; uncertainty; doubt.
Dubiosity
Du`bi*os"i*ty
[L. dubiosus.]
The state of being doubtful; a doubtful statement or thing.
Men often swallow falsities for truths, dubiosities for certainties, possibilities for feasibilities.
Sir T. Browne.
Du"bi*ous
[L. dubius, dubiosus, fr. duo two. See Two, and cf. Doubt.]
Doubtful or not settled in opinion; being in doubt; wavering or fluctuating; undetermined.
A dubious, agitated state of mind.
Thackeray.
Occasioning doubt; not clear, or obvious; equivocal; questionable; doubtful; as, a dubious answer.
Wiping the dingy shirt with a still more dubious pocket handkerchief.
Thackeray.
Of uncertain event or issue; as, in dubious battle.
Syn. -- Doubtful; doubting; unsettled; undetermined; equivocal; uncertain. Cf. Doubtful.
Dubiously
Du"bi*ous*ly
In a dubious manner.
Dubiousness
Du"bi*ous*ness
State of being dubious.
Dubitable
Du"bi*ta*ble
[L. dubitabilis. Cf. Doubtable.]
Liable to be doubted; uncertain.
Dubitancy
Du"bi*tan*cy
[LL. dubitantia.]
Doubt; uncertainty.
Dubitate
Du"bi*tate
[L. dubitatus, p. p. of dubitare. See Doubt.]
To doubt.
If he . . . were to loiter dubitating, and not come.
Carlyle.
Dubitation
Du`bi*ta"tion
[L. dubitatio.]
Act of doubting; doubt.
Dubitative
Du"bi*ta*tive
[L. dubitativus: cf. F. dubitatif.]
Tending to doubt; doubtful.
Duboisia
Du*bois"i*a
Same as Duboisine.
Duboisine
Du*bois"ine
An alkaloid obtained from the leaves of an Australian tree (Duboisia myoporoides), and regarded as identical with hyoscyamine. It produces dilation of the pupil of the eye.
[F. ducal. See Duke.]
Of or pertaining to a duke.
His ducal cap was to be exchanged for a kingly crown.
Du"cal*ly
In the manner of a duke, or in a manner becoming the rank of a duke.
[F. ducat, It. ducato, LL. ducatus, fr. dux leader or commander. See Duke.]
A coin, either of gold or silver, of several countries in Europe; originally, one struck in the dominions of a duke.
&hand; The gold ducat is generally of the value of nine shillings and four pence sterling, or somewhat more that two dollars. The silver ducat is of about half this value.
Ducatoon
Duc`a*toon"
[F. or Sp. ducaton, fr. ducat.]
A silver coin of several countries of Europe, and of different values.
Duces tecum
Du"ces te"cum
[L., bring with thee.]
A judicial process commanding a person to appear in court and bring with him some piece of evidence or other thing to be produced to the court.
Duch"ess
[F. duchesse, fr. duc duke.]
The wife or widow of a duke; also, a lady who has the sovereignty of a duchy in her own right.
Duchesse d'Angoul
Du`chesse" d'An`gou`l
A variety of pear of large size and excellent flavor.
[F. duch
, OF. duch
e, (assumed) LL. ducitas, fr. L. dux. See Duke.]
The territory or dominions of a duke; a dukedom.
[Cf. Dan. dukke, Sw. docka, OHG. doccha, G. docke. Cf. Doxy.]
A pet; a darling.
[D. doek cloth, canvas, or Icel. d
A linen (or sometimes cotton) fabric, finer and lighter than canvas, -- used for the lighter sails of vessels, the sacking of beds, and sometimes for men's clothing.
The light clothes worn by sailors in hot climates.
imp. & p. p.
p. pr. & vb. n.
[OE. duken, douken, to dive; akin to D. duiken, OHG. t
To thrust or plunge under water or other liquid and suddenly withdraw.
Adams, after ducking the squire twice or thrice, leaped out of the tub.
Fielding.
To plunge the head of under water, immediately withdrawing it; as, duck the boy.
To bow; to bob down; to move quickly with a downward motion. " Will duck his head aside.
To go under the surface of water and immediately reappear; to dive; to plunge the head in water or other liquid; to dip.
In Tiber ducking thrice by break of day.
To drop the head or person suddenly; to bow.
The learned pate
Ducks to the golden fool.
[OE. duke, doke. See Duck, 
Any bird of the subfamily Anatin
, family Anatid
&hand; The genera and species are numerous. They are divided into river ducks and sea ducks. Among the former are the common domestic duck (Anas boschas); the wood duck (Aix sponsa); the beautiful mandarin duck of China (Dendronessa galeriliculata); the Muscovy duck, originally of South America (Cairina moschata). Among the sea ducks are the eider, canvasback, scoter, etc.
A sudden inclination of the bead or dropping of the person, resembling the motion of a duck in water.
Here be, without duck or nod,
Other trippings to be trod.
Bombay duck 
a fish. See Bummalo. -- 
See Buffel duck. -- Duck ant 
a species of white ant in Jamaica which builds large nests in trees. -- Duck barnacle. 
See Goose barnacle. -- Duck hawk. 
In the United States: The peregrine falcon. 
In England: The marsh harrier or moor buzzard. -- Duck mole 
a small aquatic mammal of Australia, having webbed feet and a bill resembling that of a duck (Ornithorhynchus anatinus). It belongs the subclass Monotremata and is remarkable for laying eggs like a bird or reptile; -- called also 
duckbill
platypus
mallangong
mullingong
tambreet
water mole
to throw a flat stone obliquely, so as to make it rebound repeatedly from the surface of the water, raising a succession of jets
to throw it away heedlessly or squander it foolishly and unprofitably. -- Lame duck. See under Lame.
Duckbill
Duck"bill`
Duck mole
Duck-billed
Duck"-billed`
Having a bill like that of a duck
One who, or that which, ducks; a plunger; a diver.
A cringing, servile person; a fawner.
Duck"ing
, from Duck, 
v. t. & i.
a stool or chair in which common scolds were formerly tied, and plunged into water, as a punishment. See Cucking stool. The practice of ducking began in the latter part of the 15th century, and prevailed until the early part of the 18th, and occasionally as late as the 19th century. Blackstone. Chambers.
Duck-legged
Duck"-legged`
Having short legs, like a waddling duck; short-legged.
Duckling
Duck"ling
A young or little duck.
Duckmeat, ∨ Duck's-meat
Duck"meat`
Duck's"-meat`
Duckweed.
Duck's-bill
Duck's"-bill`
Having the form of a duck's bill.
a limpet of the genus Parmaphorus; -- so named from its shape.
Duck's-foot
Duck's"-foot`
The May apple (Podophyllum peltatum).
Duckweed
Duck"weed`
A genus (Lemna) of small plants, seen floating in great quantity on the surface of stagnant pools fresh water, and supposed to furnish food for ducks; -- called also 
duckmeat
[L. ductus a leading, conducting, conduit, fr. ducere, ductum, to lead. See Duke, and cf. Douche.]
Any tube or canal by which a fluid or other substance is conducted or conveyed.
One of the vessels of an animal body by which the products of glandular secretion are conveyed to their destination.
A large, elongated cell, either round or prismatic, usually found associated with woody fiber.
&hand; Ducts are classified, according to the character of the surface of their walls, or their structure, as annular, spiral, scalariform, etc.
Guidance; direction.
Ductible
Duc"ti*ble
Capable of being drawn out
Duc"tile
[L. ductilis, fr. ducere to lead: cf. F. ductile. See Duct.]
Easily led; tractable; complying; yielding to motives, persuasion, or instruction; as, a ductile people.
Forms their ductile minds
To human virtues.
Philips.
Capable of being elongated or drawn out, as into wire or threads.
Gold . . . is the softest and most ductile of all metals.
Ductilimeter
Duc`ti*lim"e*ter
[Ductile + -meter.]
An instrument for accurately determining the ductility of metals.
Ductility
Duc*til"i*ty
[Cf. F. ductilit
The property of a metal which allows it to be drawn into wires or filaments.
Tractableness; pliableness.
Duc"tion
[L. ductio, fr. ducere to lead.]
Guidance.
Ductless
Duct"less
Having to duct or outlet; as, a ductless gland.
[L., fr. ducere to lead.]
One who leads.
A contrivance for removing superfluous ink or coloring matter from a roller. See Doctor, 4.
(Printing)
the roller which conveys or supplies ink to another roller.
Duc"ture
Guidance.
[In Suffolk, Eng., to shiver, shake, tremble; also written dodder.]
To confuse or confound with noise.
To shiver or tremble; to dodder.
I dudder and shake like an aspen leaf.
[From Duds.]
A peddler or hawker, especially of cheap and flashy goods pretended to be smuggled; a duffer.
Dud"der*y
A place where rags are bought and kept for sale.
A kind of dandy; especially, one characterized by an ultrafashionable style of dress and other affectations.
The social dude who affects English dress and English drawl.
The American.
Du*deen"
A short tobacco pipe.
Dudg"eon
The root of the box tree, of which hafts for daggers were made.
The haft of a dagger.
A dudgeon-hafted dagger; a dagger.
Dudg"eon
[W. dygen anger, grudge.]
Resentment; ill will; anger; displeasure.
I drink it to thee in dudgeon and hostility.
Sir T. Scott.
Dudg"eon
Homely; rude; coarse.
By my troth, though I am plain and dudgeon,
I would not be an ass.
Beau. & Fl.
Like, or characterized of, a dude.
[Scot. dud rag, pl. duds clothing of inferior quality.]
Old or inferior clothes; tattered garments.
Effects, in general.
[OF. deu, F. d
, p. p. of devoir to owe, fr. L. debere. See Debt, Habit, and cf. Duty.]
Owed, as a debt; that ought to be paid or done to or for another; payable; owing and demandable.
Justly claimed as a right or property; proper; suitable; becoming; appropriate; fit.
Her obedience, which is due to me.
With dirges due, in sad array,
Slow through the churchway path we saw him borne.
Such as (a thing) ought to be; fulfilling obligation; proper; lawful; regular; appointed; sufficient; exact; as, due process of law; due service; in due time.
Appointed or required to arrive at a given time; as, the steamer was due yesterday.
Owing; ascribable, as to a cause.
This effect is due to the attraction of the sun.
J. D. Forbes.
Directly; exactly; as, a due east course.
That which is owed; debt; that which one contracts to pay, or do, to or for another; that which belongs or may be claimed as a right; whatever custom, law, or morality requires to be done; a fee; a toll.
He will give the devil his due.
Yearly little dues of wheat, and wine, and oil.
Tennyson.
Right; just title or claim.
The key of this infernal pit by due . . . I keep.
To endue.
Due"bill`
A brief written acknowledgment of a debt, not made payable to order, like a promissory note.
Fit; becoming.
[It. duello, fr. L. duellum, orig., a contest between two, which passed into the common form bellum war, fr. duo two: cf. F. duel. See Bellicose, Two, and cf. Duello.]
A combat between two persons, fought with deadly weapons, by agreement. It usually arises from an injury done or an affront given by one to the other.
(Old Law)
a combat between two persons for proving a cause; trial by battel.
v. i. & t.
To fight in single combat.
Du"el*er
One who engages in a duel.
Du"el*ing
e act or practice of fighting in single combat. Also 
Du"el*ist
[F. duelliste.]
One who fights in single combat.
A duelist . . . always values himself upon his courage, his sense of honor, his fidelity and friendship.
[It. See Duel.]
A duel; also, the rules of dueling.
Due"ness
Quality of being due; debt; what is due or becoming.
Du*en"na
[Sp. due
a, fr. L. domina. See Dame.]
The chief lady in waiting on the queen of Spain.
An elderly lady holding a station between a governess and companion, and appointed to have charge over the younger ladies in a Spanish or a Portuguese family.
Any old woman who is employed to guard a younger one; a governess.
[Duetto.]
A composition for two performers, whether vocal or instrumental.
Duettino
Du`et*ti"no
[It ., dim. fr. duetto a duet.]
A duet of short extent and concise form.
Du*et"to
[It., fr. It & L. duo two. See Two.]
See Duet.
[From OE. dagh. 
Dough or paste.
A stiff flour pudding, boiled in a bag; -- a term used especially by seamen; as, plum duff.
[D. duffel, from Duffel, a town not far from Antwerp.]
A kind of coarse woolen cloth, having a thick nap or frieze.
Good duffel gray and flannel fine.
 Wordsworth.
A peddler or hawker, especially of cheap, flashy articles, as sham jewelry; hence, a sham or cheat.
A stupid, awkward, inefficient person.
See Duffel.
Dufrenite
Du*fren"ite
A mineral of a blackish green color, commonly massive or in nodules. It is a hydrous phosphate of iron.
[Akin to Sw. d
gga to suckle (a child), Dan. d
gge, and prob. to Goth. daddjan. 
A teat, pap, or nipple; -- formerly that of a human mother, now that of a cow or other beast.
With mother's dug between its lips.
imp. & p. p.
Du*gong"
[Malayan d
An aquatic herbivorous mammal (Halicore dugong), of the order Sirenia, allied to the manatee, but with a bilobed tail. It inhabits the Red Sea, Indian Ocean, East Indies, and Australia.
Dug"out`
A canoe or boat dug out from a large log.
A man stepped from his slender dugout.
 G. W. Cable.
A place dug out.
A house made partly in a hillside or slighter elevation.
Dug"way`
A way or road dug through a hill, or sunk below the surface of the land.
[F. duc, fr. L. dux, ducis, leader, commander, fr. ducere to lead; akin to AS. te
n to draw; cf. AS. heretoga (here army) an army leader, general, G. herzog duke. See Tue, and cf. Doge, Duchess, Ducat, Duct, Adduce, Deduct.]
A leader; a chief; a prince.
Hannibal, duke of Carthage.
Sir T. Elyot.
All were dukes once, who were "duces" -- captains or leaders of their people.
In England, one of the highest order of nobility after princes and princesses of the royal blood and the