/ Dictionary / Index C corpus striatum: Meaning and Definition of Find definitions for: cor•pus stri•a•tum Pronunciation: (kôr'pus strī-ā'tum), [key] — pl. cor•po•ra stri•a•ta a mass of gray matter beneath the cortex and in front of the thalamus in each cerebral hemisphere. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. corpus luteum corr. Related Content Daily Word Quiz: vigilant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language