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pontonier

American  
[pon-tn-eer] / ˌpɒn tnˈɪər /

noun

Military.
  1. an officer or soldier in charge of bridge equipment or the construction of pontoon bridges.


pontonier British  
/ ˌpɒntəˈnɪə /

noun

  1. obsolete military a person in charge of or involved in building a pontoon bridge

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of pontonier

From the French word pontonnier, dating back to 1820–30. See pontoon 1, -ier 2