/ Dictionary / Index P pontonier: Meaning and Definition of Find definitions for: pon•to•nier Pronunciation: (pon"tn-ēr'), [key] — n. Mil. an officer or soldier in charge of bridge equipment or the construction of pontoon bridges. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Pontoise pontoon Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language