from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A crab of the genus Pinnotheres.

from the GNU version of the Collaborative International Dictionary of English

  • n. any small crab of the genus Pinnotheres, living as a commensal in bivalves; esp., the European species (Pinnotheres pisum) which lives in the common mussel and the cockle.

from The Century Dictionary and Cyclopedia

  • n. A crab of the genus Pinnotheres, inhabiting as a commensal the shells of various bivalve mollusks, as oysters. P.pisum is an example. See Pinnotheriidæ.

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

  • n. tiny soft-bodied crab living commensally in the mantles of certain bivalve mollusks


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