blacksnake

American  

[blak-sneyk] / ˈblækˌsneɪk /

Or black snake

noun

1. Also called black racer.  a blackish racer, Coluber constrictor subspecies, of the eastern U.S., that grows to a length of 6 feet (1.8 meters).

2. any of various other snakes of a black or very dark color.

3. a heavy, tapering, flexible whip of braided cowhide or the like.

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blacksnake British  

/ ˈblækˌsneɪk /

noun

1. any of several Old World black venomous elapid snakes, esp Pseudechis porphyriacus ( Australian blacksnake )

2. any of various dark nonvenomous snakes, such as Coluber constrictor (black racer)

3. a long heavy pliant whip of braided leather or rawhide

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Etymology

Origin of blacksnake

An Americanism dating back to 1625–35; black + snake