tusk

1. One of a pair of elongated pointed teeth that extend outside the mouth of an animal such as walrus, elephant or wild boar.

   Until the CITES sales ban, elephant tusks were the 'backbone' of the legal ivory trade.

2. A small projection on a (tusk) tenon.
3. A tusk shell.
4. A projecting member like a tenon, and serving the same or a similar purpose, but composed of several steps, or offsets, called teeth.
5. A sharp point.
6. The share of a plough.

1. To dig up using a tusk, as boars do.
2. To gore with the tusks.
3. To bare or gnash the teeth.

noun

A fish, the torsk (Brosme brosme).