Quick definitions from WordNet (tusk)
▸ noun: a long pointed tooth specialized for fighting or digging; especially in an elephant or walrus or hog
▸ noun: a hard smooth ivory colored dentine that makes up most of the tusks of elephants and walruses
▸ verb: remove the tusks of animals ("Tusk an elephant")
▸ verb: stab or pierce with a horn or tusk
▸ Also see tusk
▸ noun: a long pointed tooth specialized for fighting or digging; especially in an elephant or walrus or hog
▸ noun: a hard smooth ivory colored dentine that makes up most of the tusks of elephants and walruses
▸ verb: remove the tusks of animals ("Tusk an elephant")
▸ verb: stab or pierce with a horn or tusk
▸ Also see tusk