stone crab

noun
  1. an edible crab, Menippe mercenaria, of rocky shores from the southern U.S. to Mexico and certain areas of the Caribbean, prized for the meat of its claws.

Origin of stone crab

An Americanism dating back to 1700–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018