Definitions from Wiktionary ( )

▸ noun:  A hard, calcareous structure present in the mouth of many vertebrate animals, generally used for biting and chewing food.
▸ noun:  A sharp projection on the blade of a saw or similar implement.
▸ noun:  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.
▸ noun:  Of a rope, the stickiness when in contact with another rope as in a knot.
▸ noun:  (zoology) A projection or point in other parts of the body resembling the tooth of a vertebrate animal.
▸ noun:  (botany) A pointed projection from the margin of a leaf.
▸ noun:  (animation) The rough surface of some kinds of cel or other films that allows better adhesion of artwork.
▸ noun:  (figurative) Liking, fondness (compare toothsome).
▸ noun:  (algebraic geometry) 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:  To provide or furnish with teeth.
▸ verb:  To indent; to jag.
▸ verb:  To lock into each other, like gear wheels.
▸ noun:  A surname.

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