/ Dictionary / Index R rostellate: Meaning and Definition of Find definitions for: ros•tel•late Pronunciation: (ros'tl-āt", -it, ro-stel'it), [key] — adj. having a rostellum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rostand rostellum Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language