/ 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: 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