purple shore crab
- See under shore crab.
Origin of purple shore crab
An Americanism dating back to 1880–85
- 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