from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of several nonvenomous snakes of the genus Elaphe that eat rats and other rodents.

from The Century Dictionary.

  • noun A colubrine serpent of the genus Ptyas, P. mucosus, a native of India, Ceylon, etc., attaining a length of 7 feet, frequently entering houses. Some similar snakes are also called by the same name.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun any of various nonvenomous rodent-eating snakes of North America and Asia


Sorry, no etymologies found.


Help support Wordnik (and make this page ad-free) by adopting the word rat snake.


    Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.