| 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. |
| indigo snake n. A nonvenomous bluish-black snake (Drymarchon corais) of the southern United States and northern Mexico. |
