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tooth

• Noun

  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.

• Verb