Breadcrumb Home > 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: quadrumanous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language