| 1. | (in certain animals) a tooth developed to great length, usually one of a pair, as in the elephant, walrus, and wild boar, but singly in the narwhal. |
| 2. | a long, pointed, or protruding tooth. |
| 3. | a projection resembling the tusk of an animal. |
| 4. | Also called gain. Carpentry. a diagonally cut shoulder at the end of a timber for strengthening a tenon. |
| 5. | to dig up or tear off with the tusks. |
| 6. | to gore with a tusk. |
| 7. | to dig up or thrust at the ground with the tusks. |
| tusk (tŭsk) Pronunciation Key
A long, pointed tooth, usually one of a pair, projecting from the mouth of certain animals, such as elephants, walruses, and wild pigs. Tusks are used for procuring food and as weapons. |