/ Dictionary / Index O one-lunger: Meaning and Definition of Find definitions for: one-lung•er Pronunciation: (wun'lung'ur), [key] — n. Slang. a one-cylinder internal-combustion engine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. one-lung one-man Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language