noun A hard, calcareous structure present in the mouth of many vertebrate animals, generally used for biting and chewing food.
tooth decay
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 The property of resisting slippage when knotted.
Jute has more tooth than polypropylene.
noun A projection or point in other parts of the body resembling the tooth of a vertebrate animal.
noun A pointed projection from the margin of a leaf.
noun The rough surface of some kinds of cel or other films that allows better adhesion of artwork.