/ Dictionary / Index C counterjumper: Meaning and Definition of Find definitions for: count•er•jump•er Pronunciation: (koun'tur-jum"pur), [key] — n. Slang a clerk in a retail store. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. counterirritant counterlight Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language