/ Thesaurus / R Synonyms of red rat snake Find synonyms for: Noun1. corn snake, red rat snake, Elaphe guttata, rat snakeusage: large harmless snake of southeastern United States; often on farmsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penurious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language