TUSK (Tufts University Sciences Knowledgebase)
WordNet
noun
(1) A long pointed tooth specialized for fighting or digging; especially in an elephant or walrus or hog
(2) A hard smooth ivory colored dentine that makes up most of the tusks of elephants and walruses
verb
(3) Remove the tusks of animals
"Tusk an elephant"
(4) Stab or pierce with a horn or tusk
"The rhino horned the explorer"
WiktionaryText
English
Etymology
From tux, tusc, cognate with Old Frisian tusk, probably from the Proto-Germanic root tunthskaz, an extended form of the linguistic root of tooth.