/ Dictionary / Index B biparental: Meaning and Definition of Find definitions for: bi•pa•ren•tal Pronunciation: (bī"pu-ren'tl), [key] — adj. pertaining to or having traits or characteristics that stem from both parents. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bipack biparietal Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language