/ Dictionary / Index B booster cable: Meaning and Definition of Find definitions for: boost'er ca"ble Pronunciation: [key] — Auto. Auto. either of a pair of electric cables having clamps at each end and used for starting the engine of a vehicle whose battery is dead. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. booster boosterism Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language