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Definitions of pontoon
  1. noun
    a float supporting a seaplane
    type of:
  2. noun
    (nautical) a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridge
Definition that contains pontoon
  • bateau bridge a temporary bridge built over a series of pontoons
  • pontoon plane a seaplane equipped with pontoons for landing or taking off from water
  • floating bridge a temporary bridge built over a series of pontoons
  • flying boat a large seaplane that floats with its fuselage in the water rather than on pontoons
  • floatplane a seaplane equipped with pontoons for landing or taking off from water
  • pontoon bridge a temporary bridge built over a series of pontoons
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