/ Dictionary / Index R rostral column: Meaning and Definition of Find definitions for: ros'tral col'umn Pronunciation: [key] a memorial column having sculptures representing the rams of ancient ships. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rostral rostrate 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