hermit crab definition

  • noun:
    • any one of numerous crabs owned by a bunch in the order Decapoda that protect their smooth unarmored abdomens by occupying and holding concerning the vacant shells of snails or other univalve mollusks.
    • a form of crab types which salvages vacant seashells or other transportable items to permanently refuge and shield their particular soft abdomens.
    • a marine decapod crustacean of this household Pagurid√¶. The species are wide ranging, and participate in many genera. Called additionally soldier crab. The hermit crabs often occupy the dead shells of various univalve mollusks. See Illust. of Commensal.
    • A crab associated with the family members Pagurid√¶ (which see).
    • tiny soft-bodied marine crustaceans living in cast-off shells of gastropods

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