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Meaning of indigo snake

in'digo snake'

Pronunciation: [key]
  1. 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.