rock crab
noun
any of several crabs that live along rocky beaches, especially those of the genus Cancer, as C. irroratus, of the eastern coast of North America, having the rear legs modified for running.
Origin of rock crab
1An Americanism dating back to 1830–40
Words Nearby rock crab
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use rock crab in a sentence
The common rock crab, Pachygrapsus, was examined many times during July and very few adult females were without eggs.
In the little hollows between rocks a rock-crab or a green-crab may be found on guard.
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