/ Dictionary / Index B Brian Boru: Meaning and Definition of Find definitions for: Bri•an Bo•ru Pronunciation: (brī'un bô-rō', -r', brēn'), [key] 926–1014, king of Ireland 1002–14. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Brian Briand Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language