plural of teeth arm

(military, slang, chiefly in the plural) Any branch of the military that engages in direct combat.

plural of butter tooth

plural of back tooth

To clench one's teeth together tightly because of pain, anger, frustration, or self-assurance. / (idiomatic) To face up to a difficult or disagreeable situation and deal with it.

(of an animal) To show its teeth as a sign of aggression. / (idiomatic, by extension) To show aggression.

(idiomatic) To begin; to gain early experience.

(idiomatic) barely; closely; by a narrow margin; with nothing to spare.

(colloquial) To become enthusiastically involved in.

To clean one's teeth, especially by using a toothbrush and toothpaste.