/ Dictionary / Index B bipedalism: Meaning and Definition of Find definitions for: bi•ped•al•ism Pronunciation: (bī-ped'l-iz"um), [key] — n. the condition of being two-footed or of using two feet for standing and walking. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bipedalism (Thesaurus) bipedal bipetalous 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