/ Dictionary / Index O ostracod: Meaning and Definition of Find definitions for: os•tra•cod Pronunciation: (os'tru-kod"), [key] — n. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ostracod (Thesaurus) ostracize ostracoderm Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language