teeth
n. countablen. the hard, white parts in your mouth that you use for biting and eating food.
n. the hard, calcified structures set in the jaws of humans and many vertebrates, used for biting and chewing. Plural form of 'tooth'.
You should brush your teeth twice a day.
The dentist checked my teeth for cavities and suggested I start flossing more regularly.
Evolutionary biologists study the shape and wear of fossilised teeth to determine the dietary habits of extinct mammalian species.
From Middle English teth, plural of tothe, from Old English tēþ, nominative plural of tōþ, from earlier tœ̄þ, from Proto-Germanic tanþiz, nominative plural of tanþs, from Proto-Indo-European h₃dóntes, nominative plural of *h₃dónts.
Irregular plural of 'tooth'.
I have two toothsI have two teethThe word uses an irregular plural form; do not add 's' to the singular.