/ Dictionary / Index T tire chain: Meaning and Definition of Find definitions for: tire' chain" Pronunciation: [key] a chain fitting over the tire of a car, truck, or other vehicle, to increase traction and prevent skidding on roads covered with ice or snow. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tire tired Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language