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Any of several bluish-black nonvenomous snakes of the genus Drymarchon found from the southern United States to northern South America.
(Animals) a dark-blue nonvenomous North American colubrid snake, Drymarchon corais couperi
a large, harmless, shiny blue-black New World snake, Drymarchon corais.Also called gopher snake.
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|Noun||1.||indigo snake - large dark-blue nonvenomous snake that invades burrows; found in southern North America and Mexico|
colubrid, colubrid snake - mostly harmless temperate-to-tropical terrestrial or arboreal or aquatic snakes