stone crab

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A large crab (Menippe mercenaria) whose claws are harvested for food. It is found in Atlantic coastal waters of the southern United States, Mexico, and some Caribbean islands.

from The Century Dictionary.

• noun Any crab of the family Homolidæ.
• noun A European crab, Lithodes maia.
• noun A large, stout, edible crab of the Atlantic coast of the United States, Menippemercenaria.
• noun The dobson or hellgrammite. See cut under sprawler.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The Florida stone crab.
• noun The king crab.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun pale flesh with delicate texture and flavor; found in Florida but now very rare
• noun large edible crab of the southern coast of the United States (particularly Florida)