/ Dictionary / Index I indigo snake: Meaning and Definition of Find definitions for: in'digo snake' Pronunciation: [key] a large, deep-blue or brown harmless snake, Drymarchon corais, ranging from the southern U.S. to South America and invading burrows to prey on small mammals: the eastern subspecies D. corais couperi is now greatly reduced in number. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. indigoid indigotic Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language