ostracod

One entry found for ostracod.

Main Entry: os·tra·cod
Pronunciation: 'äs-tr&-"käd
Variant(s): also os·tra·code /-"kOd/
Function: noun
Etymology: ultimately from Greek ostrakon
: 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