from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of the bivalve mollusks of the class Lamellibranchia, including the clams, scallops, and oysters. Also called pelecypod.
  • adj. Of or relating to lamellibranchs.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. any marine or freshwater bivalve mollusk, of the class Lamellibranchia; includes the clams, scallops and oysters

from the GNU version of the Collaborative International Dictionary of English

  • n. One of the Lamellibranchia (also called Pelecypoda). Also used adjectively.

from The Century Dictionary and Cyclopedia

  • Having lamellate gills; pertaining to the Lamellibranchiata, or having their characters.
  • n. One of the Lamellibranchiata, as any ordinary bivalve mollusk. Also lamellibranchiate.

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

  • n. marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together
  • adj. bivalve


from The American Heritage® Dictionary of the English Language, 4th Edition

From New Latin Lāmellibranchia, class name : lamelli- + Latin branchia, gill; see branchia.



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  • Who are you calling lame?

    September 26, 2011

  • See clam.

    November 8, 2007

  • Usage example: The Lamellibranch of the infamous Borgia family was known for its practice of dispatching political rivals by serving them poisoned clams at dinner, their signature dish being scunghilli fiorentini, or clams florentine.

    November 8, 2007

  • Apparently this is also known as lamellibranchia.

    November 8, 2007

  • Finally, we've reached somewhere that means something. This is a class better known as Bivalvia.

    November 8, 2007