Definition of "tooth"
- noun
A hard, calcareous structure present in the mouth of many vertebrate animals, generally used for eating.
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.
A pointed projection from the margin of a leaf.
- verb
To provide or furnish with teeth.
To indent; to jag.
To lock into each other, like gear wheels.
- Sources