tooth

noun
to͞oth

A hard, calcareous structure present in the mouth of many vertebrate animals, generally used for biting and chewing food.

Other meanings

A sharp projection on the blade of a saw or similar implement.
A projection on the edge of a gear that meshes with similar projections on adjacent gears, or on the circumference of a cog that engages with a chain.

A kind of

bone

Kinds of tooth

front tooth
back tooth
permanent tooth
primary tooth
canine
molar
fang

Example sentences

“My sweet tooth got the better of me.”
Tatoeba · shekitten · CC0
“Which foods cause tooth decay?”
Tatoeba · Igider · CC0
“Since the tooth is broken, how could the jaw work?”
Tatoeba · AmarMecheri · CC0

Word history

From Old English "tōþ".

Where this comes from

This definition is adapted from “tooth” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.