/ Dictionary / Index B bivane: Meaning and Definition of Find definitions for: bi•vane Pronunciation: (bī'vān"), [key] — n. a sensitive vane that measures both the horizontal and vertical components of wind direction. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bivalve bivariate Related Content Daily Word Quiz: coincidence Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language