(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.

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.


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 / 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 / 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 / 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.
Contemporary Examples

Thank God My Moms Are Lesbians Ry Russo-Young June 20, 2010
What Jesus Really Means Jay Parini January 11, 2014
Dennis Kucinich and the Olive Pit Lloyd Grove January 26, 2011
They Murdered My Friend Sandra McElwaine November 16, 2008
First Friday of Ramadan For Palestinians Maysoon Zayid July 11, 2013

Historical Examples

Evolution and Classification of the Pocket Gophers of the Subfamily Geomyinae Robert J. Russell
Her Father’s Daughter Gene Stratton-Porter
Evolution and Classification of the Pocket Gophers of the Subfamily Geomyinae Robert J. Russell
Tanglewood Tales Nathaniel Hawthorne
You Never Can Tell George Bernard Shaw

noun (pl) teeth (tiːθ)
any of various bonelike structures set in the jaws of most vertebrates and modified, according to the species, for biting, tearing, or chewing related adjective dental
any of various similar structures in invertebrates, occurring in the mouth or alimentary canal
anything resembling a tooth in shape, prominence, or function: the tooth of a comb
any of the various small indentations occurring on the margin of a leaf, petal, etc
any one of a number of uniform projections on a gear, sprocket, rack, etc, by which drive is transmitted
taste or appetite (esp in the phrase sweet tooth)
long in the tooth, old or ageing: used originally of horses, because their gums recede with age
tooth and nail, with ferocity and force: we fought tooth and nail
verb (tuːð; tuːθ)
(transitive) to provide with a tooth or teeth
(intransitive) (of two gearwheels) to engage

Plural teeth (tēth)

In addition to the idiom beginning with


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