(in most vertebrates) one of the hard bodies or processes usually attached in a row to each jaw, serving for the prehension and mastication of food, as weapons of attack or defense, etc., and in mammals typically composed chiefly of dentin surrounding a sensitive pulp and covered on the crown with enamel.

(in invertebrates) any of various similar or analogous processes occurring in the mouth or alimentary canal, or on a shell.

any projection resembling or suggesting a tooth.

one of the projections of a comb, rake, saw, etc.

Machinery .

any of the uniform projections on a gear or rack by which it drives, or is driven by, a gear, rack, or worm.

any of the uniform projections on a sprocket by which it drives or is driven by a chain.

Botany .

any small, toothlike marginal lobe.

one of the toothlike divisions of the peristome of mosses.

a sharp, distressing, or destructive attribute or agency.

taste, relish, or liking.

a surface, as on a grinding wheel or sharpening stone, slightly roughened so as to increase friction with another part.

a rough surface created on a paper made for charcoal drawing, watercolor, or the like, or on canvas for oil painting.

to furnish with teeth.

to cut teeth upon.

to interlock, as cogwheels. ?

by the skin of one's teeth

barely

He got away by the skin of his teeth.

cast or throw in someone's teeth

to reproach someone for (an action)

History will ever throw this blunder in his teeth.

cut one's teeth on, to do at the beginning of one's education, career, etc.

or in one's youth

The hunter boasted of having cut his teeth on tigers.

in the teeth of

so as to face or confront; straight into or against

in the teeth of the wind.

in defiance of; in opposition to

She maintained her stand in the teeth of public opinion.

long in the tooth

old; elderly.

put teeth in or into

to establish or increase the effectiveness of

to put teeth into the law.

set one's teeth

to become resolute; prepare for difficulty

He set his teeth and separated the combatants.

set or put one's teeth on edge

to induce an unpleasant sensation.

to repel; irritate

The noise of the machines sets my teeth on edge.

show one's teeth

to become hostile or threatening; exhibit anger

Usually friendly, she suddenly began to show her teeth.

to the teeth

entirely; fully

armed to the teeth; dressed to the teeth in furs.

adjective

dentate , dentiform

noun

(little tooth) denticle , bicuspid , canine , cog , cuspid , dent , dentation , denticle , dentile , eyetooth , fang , grinder , incisor , ivory , laniary , molar , point , premolar , serration , snag , tine , tusk , wisdom