any of a genus (Pituophis) of large, brownish, nonpoisonous North American colubrid snakes feeding mainly on rodents
bullsnake in American English
(ˈbulˌsneik)
noun
any of several large North American constrictors of the genus Pituophis, as the gopher snake and pine snake, that feed chiefly upon small rodents
Also: bull snake
Word origin
[1775–85, Amer.; bull1 + snake]This word is first recorded in the period 1775–85. Other words that entered Englishat around the same time include: Americanism, amateur, backfire, flashing, impact