/ Dictionary / Index B boraginaceous: Meaning and Definition of Find definitions for: bo•rag•i•na•ceous Pronunciation: (bu-raj"u-nā'shus, bô-, bō-), [key] — adj. belonging to the plant family Boraginaceae. Cf. borage family. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. borage family Borah Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language