bullsnake

or bull snake

[boo l-sneyk]

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.

Origin of bullsnake

An Americanism dating back to 1775–85; bull1 + snake
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019