n. The topography of the tooth, as now described, is shown in the cuts.n. A roughened surface, as of a paper prepared for pastels.n. In masonry, one of the several projecting ends of stones or bricks already built into a wall and left at an unfinished end of it to facilitate the fitting of another piece of wall to the first one.n. A hard (horny, dentinal, osseous, chitinous, calcareous, or silicious) body or substance, in the mouth, pharynx, gullet, or stomach of an animal, serving primarily for the apprehension, mastication, or trituration of food, and secondarily as a weapon of attack or defense, and for a variety of other purposes, as digging in the ground, climbing, articulation of vocal sounds, etc.n. In Invertebrata, one of various hard bodies, presenting great variety of position and structure, which may occur in the alimentary canal from the month to the stomach.n. In zoology, a projection resembling or likened to a tooth.n. In botany, any small pointed marginal lobe, especially of a leaf: in mosses applied to the delicate fringe of processes about the mouth of the capsule, collectively known as the peristome. See peristome, Musci, and cuts under cilium and Dicranum.n. Any projection corresponding to or resembling the tooth of an animal in shape, position, or office; a small, narrow, projecting piece, usually one of a set.n. One of the tines or prongs of a fork.n. One of the sharp wires of a carding-instrument.n. One of a series of projections on the edge of a wheel which catch on corresponding parts of a wheel or other body; a cog. See cut under pinion.n. plural In a rose-cut diamond, the lower zone of facets. They form a truncated cone-shaped base for the crown.n. In veneering, the roughness made by the toothing-plane on the surfaces to be glued together to afford a good hold for the glue.n. Figuratively, a fang; the sharp or distressing part of anything.n. Palate; relish; taste, literally or figuratively. Compare a sweet tooth, below.n. Keep; maintenance.n. To one's face; openly.n. Straight against: noting direction: as, to walk in the teeth of the wind.n. In the face or presence of; before.n. The processes or serration of the mandibles of any insect, as a stag-beetle.To bite; taste.To furnish with teeth: as, to tooth a rake.To indent; cut into teeth; jag.To lock one in another.To teethe.To interlock, as cog-wheels.