/ Dictionary / Index R rosarian: Meaning and Definition of Find definitions for: ro•sar•i•an Pronunciation: (rō-zâr'ē-un), [key] — n. a person who is fond of, develops, or cultivates roses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rosanne Rosario Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language