hermit crab: Meaning and Definition of

her'mit crab"

Pronunciation: [key]
  1. any of numerous crabs, esp. of the genera Pagurus and Eupagurus, that protect their soft uncovered abdomen by occupying the castoff shell of a univalve mollusk.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.