Open English Wordnet
Nouns
(n)ivory, tuska hard smooth ivory colored dentine that makes up most of the tusks of elephants and walruses (n)tuska long pointed tooth specialized for fighting or digging; especially in an elephant or walrus or hog Verbs
(v)horn, tuskstab or pierce with a horn or tusk“the rhino horned the explorer” (v)tusk, detuskremove the tusks of animals“tusk an elephant”