/ Dictionary / Index M montgolfier: Meaning and Definition of Find definitions for: mont•gol•fi•er Pronunciation: (mont-gol'fē-ur Fr. môn-gôl-fyā'), [key] — pl. -fi•ers a balloon raised by air heated from a fire in the lower part. Mont•gol•fi•er Pronunciation: (mont-gol'fē-ur Fr. môn-gôl-fyā'), [key] — n. 1745–99, and his brother1740–1810, French aeronauts: inventors of the first practical balloon 1783. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: montgolfier (Thesaurus) Montfort Montgomery Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language