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The anterior portion of any one of the Arachnida and higher Crustacea, consisting of the united head and thorax.

nation, of a drain, to collect sedimentary or superfluous matter; a privy vault; any receptace of filth. [Written also sesspool.]

One of the Cetacea, or collectively, the Cetacea.

The description or natural history of cetaceous animals.

The scales or bracts on the receptacle, which subtend each flower in the heads of many Compositæ, as the sunflower. Gray. Chaff cutter, a machine for cutting, up straw, etc., into "chaff" for the use of cattle.

end of the chain plate, which fastens it to the vessel's side. (b) A bolt with a chain attached for drawing it out of position. -- Chain bond. See Chain timber. -- Chain bridge, a bridge supported by chain cables; a suspension bridge. -- Chain cable, a cable made of iron links. -- Chain coral (Zoöl.), a fossil cor…

drawing (Fine Arts), a drawing made with crayons. See Crayon. -- Chalk formation. See Cretaceous formation, under Cretaceous. -- Chalk line, a cord rubbed with chalk, used for making straight lines on boards or other material, as a guide in cutting or in arranging work. -- Chalk mixture, a preparation of chalk, cinn…

The piece by which an object is attached to something, as the frog of a scabbard or the metal loop at the back of a buckle by which it is fastened to a strap.

a small building attached to a church;

To bear down upon; to rush upon; to attack. Charged our main battle's front. Shak.

amental hook, or brooch worn by a lady at her waist, and having a short chain or chains attached for a watch, keys, trinkets, etc. Also used adjectively; as, a chatelaine chain.

every subject's eye. Dryden. Dog cheap, very cheap, -- a phrase formed probably by the catachrestical transposition of good cheap. [Colloq.]

Whatever arrests progress, or limits action; an obstacle, guard, restraint, or rebuff. Useful check upon the administration of government. Washington. A man whom no check could abash. Macaulay.

nd rodents, used for holding food. -- Cheeks of a block, the two sides of the shell of a tackle block. -- Cheeks of a mast, the projection on each side of a mast, upon which the trestletrees rest. -- Cheek tooth (Anat.), a hinder or molar tooth. -- Butment cheek. See under Butment.

The pincherlike claw of Crustacea and Arachnida.

A genus of marine amphipod crustacea, which bore into and sometimes destroy timber.

e atoms of elementary substance whereby they unite to form chemical compounds; chemical attaction; affinity; -- sometimes used as a general expression for chemical activity or relationship.

They may be attracted (positive chemotaxis) or repelled (negative chemotaxis). -- Chem`o*tac"tic (#), a. -- Chem`o*tac"tic*al*ly, adv.

A tight receptacle or box, usually for holding gas, steam, liguids, etc.; as, the steam chest of an engine; the wind chest of an organ. Bomb chest, See under Bomb. -- Chest of drawers, a case or movable frame containing drawers.

ic. -- Chian turpentine, a fragrant, almost transparent turpentine, obtained from the Pistacia Terebinthus.