/ Dictionary / Index B bulbous: Meaning and Definition of Find definitions for: bul•bous Pronunciation: (bul'bus), [key] — adj. bulb-shaped; bulging. having or growing from bulbs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bulbous (Thesaurus) bulbourethral gland bulbous buttercup Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language