from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Either of two sand-dwelling brachyuran crabs (Persephona mediterranea or P. punctata) of the U.S. Atlantic coast, the Gulf of Mexico, and the West Indies, having a rounded body and, in the female, a purselike chamber for eggs.
from the GNU version of the Collaborative International Dictionary of English
- n. any land crab of the genus Birgus, allied to the hermit crabs. They sometimes weigh twenty pounds or more, and are very strong, being able to crack cocoanuts with the large claw. They chiefly inhabit the tropical islands of the Pacific and Indian Oceans, living in holes and feeding upon fruit. Called also palm crab.
Sorry, no etymologies found.