Added 9 October 2026
tooth
/tuːθ/ noun
In Latin: dēns Wiktionary
noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about tooth at Wordnik → Where our words come from →
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A hard, calcareous structure present in the mouth of many vertebrate animals, generally used for biting and chewing food.
tooth decay
- 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.
verb
Origin
From Middle English toth, tothe, tooth, from Old English tōþ, from Proto-West Germanic *tanþ, from Proto-Germanic *tanþs, from Proto-Indo-European *h₃dónts (“tooth”). Doublet of dent, dens, tind, and tine. Related to tusk.
From Wiktionary, via Kaikki.org (CC BY-SA)