n.
Any of various minute, chiefly freshwater crustaceans of the subclass Ostracoda, having a bivalve carapace.
[New Latin Ostracōda, subclass name, from Greek ostrakōdēs, testaceous, from ostrakon, shell.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
