/ Dictionary / Index U umbel: Meaning and Definition of Find definitions for: um•bel Pronunciation: (um'bul), [key] — n. Bot. an inflorescence in which a number of flower stalks or pedicels, nearly equal in length, spread from a common center. See illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: umbel (Thesaurus) Umayyad umbellate Related Content Daily Word Quiz: circumspect Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language