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.
Why Is It Called “Rock n’ Roll”?Is “Rocket ‘88” by Jackie Brenston and his Delta Cats the very first rock and roll record? The question has inspired debate among musicologists for years. Another equally contentious question: Where does the term rock and roll come from? Rock is derived from the Old English roccain, related to the Old Nordic rykkja meaning, “to pull, tear, move.” The earliest recorded use of the term in literature …
Origin of rock crab
An Americanism dating back to 1830–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for rock crab
In the little hollows between rocks a rock-crab or a green-crab may be found on guard.