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ostracod

play
noun os·tra·cod \ˈäs-trə-ˌkäd\

Definition of ostracod

  1. :  any of a subclass (Ostracoda) of very small aquatic crustaceans that have the body enclosed in a bivalve carapace, the body segmentation obscured, the abdomen rudimentary, and only seven pairs of appendages



Variants of ostracod

also os·tra·code play \-ˌkōd\

Origin of ostracod

ultimately from Greek ostrakon


First Known Use: 1865


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