shore crab

noun

: any of numerous crabs living between the tidemarks: such as

a

: green crab

b

: a spider crab of the genus Libinia common along the eastern coast of the U.S.

c

: any of several grapsoid crabs of the western coast of North America

—usually used with a qualifying term see purple shore crab, striped shore crab, yellow shore crab

d

: a common South Australian grapsoid crab (Leptograpsus variegatus)

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