/ Dictionary / Index B bias-ply tire: Meaning and Definition of Find definitions for: bi'as-ply tire' Pronunciation: (bī'us-plī"), [key] a vehicle tire in which the main plies or cords run across the bead. Also calledSee illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. biased biathlete Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language