Breadcrumb Home > Dictionary > Index B biathlete: Meaning and Definition of Find definitions for: bi•ath•lete Pronunciation: (bī-ath'lēt), [key] — n. a competitor in a biathlon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bias-ply tire biathlon ✖ Related Content Daily Word Quiz: derogate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language