- any of numerous crabs that live along the shoreline between the tidemarks, as Hemigrapsus nudus (purple shore crab), of the Pacific coast of North America.
Origin of shore crab
First recorded in 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for shore crab
Carsinus mnas, the Shore-crab, a very common species on the Norfolk coast is here intended.Notes and Letters on the Natural History of Norfolk
In this weed-fringed tide-pool there is a fine specimen of the Shore-crab (Carcinus mœnas).Omphalos
Philip Henry Gosse
To a shore-crab that comes within its reach the slightest contact with one of those lithe arms is fatal.