/ Dictionary / Index B Bullock's oriole: Meaning and Definition of Find definitions for: Bul'lock's o'riole Pronunciation: (bool'uks), [key] a common oriole, Icterus galbula bullockii, of western North America: a subspecies of the northern oriole. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bullock's-heart bullocky Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language