- any of several New and Old World colubrid snakes, of the genus Elaphe, that feed chiefly on small mammals and birds.
Origin of rat snake
First recorded in 1855–60
Also called house snake.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for rat snake
One the great serpent would select, would lap in scaly coils, crush to a red pulp and swallow as a rat-snake swallows a mouse.The Hour of the Dragon
Robert E. Howard
All the roofs of the thatched bungalows swarm with rats, and in every house is kept a rat-snake, which kills and eats these rats.A Voyage in the 'Sunbeam'
Annie Allnut Brassey
There is a belief in Ceylon that the bite of the rat-snake, though harmless to man, is fatal to black cattle.Sketches of the Natural History of Ceylon
J. Emerson Tennent
A friend informs us that he once saw in these gardens a rat-snake of Ceylon devour a common Coluber natrix.Curiosities of Civilization
The presence of a rat-snake (Zamenis mucosus) in a house at night is believed to bring good fortune to the inmates.Omens and Superstitions of Southern India
- any of various nonvenomous rodent-eating colubrid snakes, such as Elaphe obsoleta of North America and Ptyas mucosus of Asia