teeth

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.

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Mới

tooth

1. A hard, calcareous structure present in the mouth of many vertebrate animals, generally used for biting and chewing food.
2. A sharp projection on the blade of a saw or similar implement.
3. 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.
4. Of a rope, the stickiness when in contact with another rope as in a knot.
5. A projection or point in other parts of the body resembling the tooth of a vertebrate animal.
6. A pointed projection from the margin of a leaf.
7. The rough surface of some kinds of cel or other films that allows better adhesion of artwork.
8. Liking, fondness (compare toothsome).
9. An irreducible component of a comb that intersects the handle in exactly one point, that point being distinct from the unique point of intersection for any other tooth of the comb.