/ Dictionary / Index D double pneumonia: Meaning and Definition of Find definitions for: dou'ble pneumo'nia Pronunciation: [key] — Pathol. Pathol. pneumonia affecting both lungs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. double play double possessive Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language