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| her·mit crab (plural her·mit crabs) |
noun |
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| Definition: |
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crab that lives in empty shells: a soft-bodied crab that takes over an empty mollusk shell, usually a whelk shell, and carries it around on its back for protection and to hide in. It starts off with a small shell that, as it grows, is discarded for increasingly larger ones, so that it may change shells several times during its life span. Order Decapoda.
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