TUSK

I. noun Etymology: Middle English, alteration of tux, from Old English tūx; akin to Old English tūsc tush Date: before 12th century an elongated greatly enlarged tooth (as of an elephant or walrus) that projects when the mouth is closed and serves especially for digging food or as a weapon, one of the small projections on a ~ tenon, ~ed adjective ~like adjective II. transitive verb Date: 1629 to dig up with a ~