/ Dictionary / Index B bulbul: Meaning and Definition of Find definitions for: bul•bul Pronunciation: (bool'bool), [key] — n. a songbird often mentioned in Persian poetry, regarded as being a nightingale. any of several oscine birds of the family Pycnonotidae, of the Old World tropics. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bulbul (Thesaurus) bulbous buttercup Bulfinch 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