/ Dictionary / Index R rostrate: Meaning and Definition of Find definitions for: ros•trate Pronunciation: (ros'trāt), [key] — adj. furnished with a rostrum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rostrate (Thesaurus) rostral column rostrocarinate Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language