/ Dictionary / Index R rutaceous: Meaning and Definition of Find definitions for: ru•ta•ceous Pronunciation: (r-tā'shus), [key] — adj. Bot. of or like rue. belonging to the Rutaceae, the rue family of plants. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rutabaga ruth Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language