COEFFICIENT, k[=o]-ef-fish'ent, _n._ that which acts together with another thing: (_math._) the numerical or literal factor prefixed to an unknown quantity in any algebraic term.--_n._ COEFFI'CIENCY.--_adv._ COEFFI'CIENTLY.
COEHORN, COHORN, k[=o]'horn, _n._ a small mortar for throwing grenades.
[From Baron van _Coehoorn_ (1641-1704).]
COELENTERATA, s[=e]-len-ter-[=a]'ta, _n._ the technical name for the second lowest alliance of many-celled animals--radially symmetrical, without any body-cavity distinct from the alimentary tube.--_adj._ COELEN'TER[=A]TE.
[Gr. _koilos_, hollow, and _enteron_, intestine.]
COELIAC, s[=e]'li-ak, _adj._ relating to the belly. [L. _coeliacus_--Gr.
_koilia_, the belly.]
COEMPTION, ko-emp'shun, _n._ the purchasing of the whole of a commodity: in Roman law, a mode of marriage under the fiction of a mutual sale. [CO-, and L. _em[)e]re_, to buy.]
COENESTHESIS, s[=e]-nes-th[=e]'sis, _n._ the general bodily consciousness.
[Gr. _koinos_, common, _aisth[=e]sis_, perception.]
COENOBITE, CENOBITE, sen'o-b[=i]t, _n._ a monk who lives along with others of a like mind with himself, in contradistinction to anchorites or hermits.--_adjs._ COENOBIT'IC, -AL; CENOBIT'IC, -AL.--_ns._ COEN'OBITISM, CEN'OBITISM; COEN[=O]'BIUM, a religious community. [Gr.
_koinobion_--_koinos_, common, and _bios_, life.]
COEQUAL, ko-[=e]'kwal, _adj._ equal with another person or thing: of the same rank or dignity.--_n._ one of the same rank.--_n._ COEQUAL'ITY.--_adv._ CO[=E]'QUALLY.
COERCE, k[=o]-[.e]rs', _v.t._ to restrain by force: to compel.--_adj._ COER'CIBLE.--_adv._ COER'CIBLY.--_ns._ COER'CION, restraint: government by force; COER'CIONIST.--_adj._ COER'CIVE, having power to coerce: compelling.--_adv._ COER'CIVELY.--_n._ COER'CIVENESS. [L.
_coerc[=e]re_--_co-_, together, _arc[=e]re_, to shut in.]
CO-ESSENTIAL, k[=o]-es-sen'shal, _adj._ partaking of the same essence.--_n._ CO-ESSENTIAL'ITY.
COETANEOUS, k[=o]-[=e]-t[=a]n'e-us, _adj._ of the same age: contemporary.
[CO-, and L. _aetas_, _aetatis_, age.]
CO-ETERNAL, k[=o]-[=e]-t[.e]r'nal, _adj._ equally eternal with another.--_adv._ CO-ETER'NALLY.--_n._ CO-ETER'NITY.
COEVAL, k[=o]-[=e]'val, _adj._ of the same age.--_n._ one of the same age: a contemporary. [L. _coaevus_, _co-_, together, and _aevum_, age.]
CO-EXIST, k[=o]-egz-ist', _v.i._ to exist at the same time.--_n._ CO-EXIST'ENCE.--_adj._ CO-EXIST'ENT.
CO-EXTEND, k[=o]-eks-tend', _v.i._ to extend equally with.--_n._ CO-EXTEN'SION.--_adj._ CO-EXTEN'SIVE.
COFF, kof, _v.t._ (_Scot._) to buy.--_pa.p._ COFT.
COFFEE, kof'[=e], _n._ a drink made from the seeds of the coffee-tree, a native of Arabia: the powder made by roasting and grinding the seeds.--_ns._ COFF'EE-BEAN, the seed of the coffee-plant; COFF'EE-BERR'Y, the fruit of the coffee-tree; COFF'EE-BUG, the _Lecanium coffeae_, destructive to the coffee-plant; COFF'EE-CUP, a cup for coffee; COFF'EE-HOUSE, a house where coffee and other refreshments are sold; COFF'EE-MILL, a small mill or machine for grinding coffee-beans; COFF'EE-POT, a pot or vessel in which coffee is prepared and served; COFF'EE-ROOM, a room in a hotel where coffee and other refreshments are served. [Turk. _qahveh_--Ar. _qahwah_, orig. meaning wine.]
COFFER, kof'[.e]r, _n._ a chest for holding money or treasure: (_pl._) the whole wealth of a person: a deep panel in a ceiling.--_v.t._ to hoard up.--_n._ COFF'ERDAM, a water-tight structure used in engineering for excluding the water from the foundations of bridges, quay walls, &c., so as to allow of their being built dry.--_adj._ COFF'ERED. [O. Fr. _cofre_, a chest--L. _cophinus_, a basket--Gr. _kophinos_.]
COFFIN, kof'in, _n._ the coffer or chest in which a dead body is enclosed.--_v.t._ to place within a coffin.--_n._ COFF'IN-SHIP, a ship that is unsound, and likely to prove fatal to those in it.--DRIVE A NAIL IN ONE'S COFFIN, to do something tending to hasten death or ruin. [O. Fr.
_cofin_--L. _cophinus_--Gr. _kophinos_.]
COFFLE, kof'l, _n._ a gang, esp. of slaves. [Ar. _q[=a]filah_, a caravan.]
COG, kog, _v.t._ to cheat or deceive: to wheedle: to cog dice is to manipulate them so that they may fall in a given way.--_n._ the act of cheating: deception.--_p.adj._ COG'GING, cheating. [No doubt from the succeeding word.]
COG, kog, _n._ a catch or tooth on a wheel.--_v.t._ to fix teeth in the rim of a wheel: to stop a wheel by putting a block before it:--_pr.p._ cog'ging; _pa.p._ cogged.--_n._ COG'-WHEEL, a toothed wheel, whose teeth fit into and move another. [M. E. _cogge_; ety. dub.; cf. Sw. _kugge_.]
COG, kog, _n._ formerly a large ship of burden or for war: a small boat: a cock-boat. [M. E. _cogge_, perh. from O. Fr. _cogue_, a ship. Cf. Dan.
_kogge_, _kog_; Ice. _kuggi_.]
COGENT, k[=o]'jent, _adj._ powerful: convincing.--_ns._ C[=O]'GENCE, C[=O]'GENCY, convincing power.--_adv._ C[=O]'GENTLY. [L. _cog[)e]re_, _co-_, together, _ag[)e]re_, to drive.]
COGGIE, COGIE, kog'i, _n._ (_Scot._) a small wooden bowl.--Also COG. [Dim.
of COGUE (q.v.).]
COGGLE, kog'gl, _v.i._ to be unsteady.--_n._ a cobble, a round stone.--_adv._ COG'GLY (_Scot._), shaky. [Cf. Ger. _kugel_, and Dut.
COGITATE, koj'i-t[=a]t, _v.i._ to turn a thing over in one's mind: to meditate: to ponder.--_adj._ COG'ITABLE, capable of being thought.--_n._ COGIT[=A]'TION, deep thought: meditation.--_adj._ COG'IT[=A]TIVE, having the power of thinking: given to cogitating. [L. _cogit[=a]re_, _-[=a]tum_, to think deeply, _co-_, together, and _agit[=a]re_, to put a thing in motion.]
COGNAC, k[=o]'nyak, _n._ an excellent quality of French brandy, so called because much of it is made near the town _Cognac_, in Charente.
COGNATE, kog'n[=a]t, _adj._ of the same family, kind, or nature: related or allied to.--_n._ one related by blood, a kinsman: a person related to another through the mother, as distinguished from an _agnate_, one related through the father.--_n._ COGN[=A]'TION. [L. _cognatus_--_co-_, together, _(g)nasci_, _(g)natus_, to be born.]
COGNITION, kog-nish'un, _n._ certain knowledge: apprehension.--_adj._ COG'NISABLE, that may be known or understood: that may be judicially investigated.--_adv._ COG'NISABLY.--_ns._ COG'NISANCE, COG'NIZANCE, knowledge or notice, judicial or private: observation: jurisdiction: that by which one is known, a badge.--_adj._ COG'NISANT, having cognisance or knowledge of.--_v.t._ COG'NISE, to become conscious of.--_adj._ COG'NITIVE, capable of, or pertaining to, cognition.--HAVE COGNISANCE OF, to have knowledge of. [L., from _cognosc[)e]re_, _cognitum_--_co-_, together, and _nosc[)e]re_, _gnosc[)e]re_, to know.]
COGNOMEN, kog-n[=o]'men, _n._ a surname: a nickname: a name: the last of the three names of an individual among the Romans, indicating the house or family to which he belonged.--_adj._ COGNOM'INAL, like-named: relating to a cognomen.--_v.t._ COGNOM'INATE, to name.--_n._ COGNOMIN[=A]'TION.
[L.,--_co-_, together, _nomen_, _gnomen_, a name--_nosc[)e]re_, _gnosc[)e]re_, to know.]
COGNOSCE, kog-nos', _v.t._ (_Scots law_) to examine: to give judgment: to declare to be an idiot.--_adj._ COGNOS'CIBLE. [L. _cognosc[)e]re_--_co-_, together, and _nosc[)e]re_, to know.]
COGNOSCENTE, ko-nyo-shent'e, _n._ one professing a critical knowledge of works of art, and of a somewhat more pretentious character than amateurs:--_pl._ COGNOSCENTI (ko-nyo-shent'[=e]). [It.,--L.
COGNOVIT, kog-n[=o]'vit, _n._ (_law_) an acknowledgment by the defendant in an action that the plaintiff's cause is just. [L. _cognovit actionem_, he has confessed the action.]
COGUE, COG, k[=o]g, _n._ (_Scot._) a round wooden vessel for holding milk.
COHABIT, k[=o]-hab'it, _v.i._ to dwell together as husband and wife, often of persons not married.--_ns._ COHAB'ITANT, one dwelling with others; COHABIT[=A]'TION. [L. _cohabit[=a]re_--_co-_, together, _habit[=a]re_, to dwell.]
CO-HEIR, k[=o]-[=a]r', _n._ a joint heir:--_fem._ CO-HEIR'ESS.
COHERE, k[=o]-h[=e]r', _v.i._ to stick together: to follow in proper connection: to be consistent.--_ns._ COHER'ENCE, a sticking together: a consistent connection between several parts: congruity; COHER'ENCY.--_adj._ COHER'ENT, sticking together: connected: consistent in thought or speech.--_adv._ COHER'ENTLY.--_n._ COHER'ER, an apparatus for the reception of the waves in 'wireless' telegraphy.--_adj._ COH[=E]'SIBLE, capable of cohesion.--_n._ COH[=E]'SION, the act of sticking together: a form of attraction by which particles of bodies stick together: logical connection.--_adj._ COH[=E]'SIVE, having the power of cohering: tending to unite into a mass.--_adv._ COH[=E]'SIVELY.--_ns._ COH[=E]'SIVENESS, COHESIBIL'ITY. [L. _cohaer[=e]re_, _cohaesum_, _co-_, together, and _haer[=e]re_, to stick.]
COHORT, k[=o]'hort, _n._ among the Romans, a body of soldiers from 300 to 600 in number, forming a tenth part of a legion: a band of armed men: any band of men. [Fr.,--L. _cohors_, an enclosed place, a multitude enclosed, a company of soldiers.]
COHORTATIVE, k[=o]-hor'ta-tiv, _adj._ encouraging.--_n._ in Heb. grammar, a lengthened form of the imperfect--also _Paragogic future_. [See PARAGOGE.]
COIF, koif, _n._ a covering for the head, esp. the close-fitting cap of white lawn or silk originally worn by serjeants-at-law: a covering for the head worn by women.--_v.t._ to provide with a coif: to dress (the hair).--_ns._ COIFF'EUR, a hairdresser; COIFF'URE, a head-dress. [Fr.
_coiffe_--Low L. _cofia_, a cap, perh. Old High Ger. _chuppha_, a cap, Ger.
COIGN, koin, _n._ a corner or external angle: a corner-stone: a wedge.--COIGN OF VANTAGE, a position of advantage, either for seeing or acting. [COIN.]