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Either of two long slender black snakes (Coluber constrictor subsp. constrictor or C. constrictor subsp. priapus) of eastern North America.
or black′ snake`,
1. a slender, harmless black-skinned racer, Coluber constrictor, of E North America.
2. any of various other black snakes.
3. a heavy, tapering whip of braided cowhide or the like.