What is the meaning of Tusk?

One of a pair of elongated pointed teeth that extend outside the mouth of an animal such as walrus, elephant or wild boar, and which continue to grow throughout the animal's life.

A small projection on a (tusk) tenon.

A tusk shell.

A projecting member like a tenon, and serving the same or a similar purpose, but composed of several steps, or offsets, called teeth.

A sharp point.

The share of a plough.

To dig up using a tusk, as boars do.

To gore with the tusks.

To bare or gnash the teeth.

A fish, the torsk (Brosme brosme).

dog

pain

A tusk (protruding long tooth)

Any long and sharp tooth.

The end of a spear.

tooth

depression, melancholy, grief, suffering

Source: wiktionary.org