Also found in: Thesaurus, Medical, Encyclopedia.
1. An elongated pointed tooth, usually one of a pair, extending outside of the mouth in certain animals such as the walrus, elephant, or wild boar.
2. A long projecting tooth or toothlike part.
tr. & intr.v. tusked, tusk·ing, tusks
To gore or dig with the tusks or a tusk.
[Middle English tux, tusce, from Old English tūx, tūsc, canine tooth; see dent- in Indo-European roots.]