/ Dictionary / Index U umbelliferous: Meaning and Definition of Find definitions for: um•bel•lif•er•ous Pronunciation: (um"bu-lif'ur-us), [key] — adj. bearing an umbel or umbels. belonging to the Umbelliferae, the parsley family of plants. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: umbelliferous (Thesaurus) umbellet umbellule Related Content Daily Word Quiz: inane Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language