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To insert, as one piece of timber into another, by alternate scores or projections from the middle, to prevent slipping; to scarf.

The letting of one timber into another by alternate scores or projections, as in shipbuilding.

The part of a projecting stone or brick inserted in a wall. Gwilt.

A projecting part of an object by means of which it is secured to a handle, or to some other part; anything resembling a tongue in form or position. Specifically: --

A lever or projection moved by some other piece, as a cam, or intended to tap or touch something else, with a view to produce change or regulate motion. G. Francis. Tappet motion, a valve motion worked by tappets from a reciprocating part, without an eccentric or cam, -- used in steam pumps, etc.

ark to shoot at, as for practice, or to test the accuracy of a firearm, or the force of a projectile.

A projecting member left by cutting away the wood around it, and made to insert into a mortise, and in this way secure together the parts of a frame; especially, such a member when it passes entirely through the thickness of the piece in which the mortise is cut, and shows on the other side. Cf. Tooth, Tusk. Tenon saw,…

any living and some fossil species. The larger valve has a perforated beak, through which projects a short peduncle for attachment. Called also lamp shell.

A hard and sharp-pointed projection from a woody stem; usually, a branch so transformed; a spine.

To the end; to a conclusion; to the ultimate purpose; as, to carry a project through.

t thrilling shrieks." Spenser. (c) To distance; to leave behind. Addison. (d) To cause to project; as, to throw out a pier or an abutment. (e) To give forth; to emit; as, an electric lamp throws out a brilliant light. (f) To put out; to confuse; as, a sudden question often throws out an orator. -- To throw over, to ab…

which have setiform caudal appendages, either bent beneath the body to form a spring, or projecting as bristles. It comprises the Cinura, or bristletails, and the Collembola, or springtails. Called also Thysanoura. See Lepisma, and Podura.

A tilted hammer; a heavy hammer, used in iron works, which is lifted or tilted by projections or wipers on a revolving shaft; a trip hammer.

A lateral projection at one end, or between the ends, of a piece, as a rod or bolt, by means of which it is moved.

A projection, or slender appendage or fixture; as, the tongue of a buckle, or of a balance.

Any projection corresponding to the tooth of an animal, in shape, position, or office; as, the teeth, or cogs, of a cogwheel; a tooth, prong, or tine, of a fork; a tooth, or the teeth, of a rake, a saw, a file, a card.

Having marginal projecting points; dentate. Toothed whale (Zoöl.), any whale of the order Denticete. See Denticete. -- Toothed wheel, a wheel with teeth or projections cut or set on its edge or circumference, for transmitting motion by their action on the engaging teeth of another wheel.

Bricks alternately projecting at the end of a wall, in order that they may be bonded into a continuation of it when the remainder is carried up. Toothing plane, a plane of which the iron is formed into a series of small teeth, for the purpose of roughening surfaces, as of veneers.

A little tooth, or like projection.

A platform surrounding the head of the lower mast and projecting on all sudes. It serves to spead the topmast rigging, thus strengheningthe mast, and also furnishes a convenient standing place for the men aloft. Totten.