/ Dictionary / Index B biquarterly: Meaning and Definition of Find definitions for: bi•quar•ter•ly Pronunciation: (bī-kwôr'tur-lē), [key] — adj. occurring twice in each quarter of a year. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. biquadratic biracial Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language