pontoon : Idioms & Phrases
Pontoon bridge
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noun a temporary bridge built over a series of pontoons
bateau bridge; floating bridge.
WordNet
- a bridge formed with pontoons.
Webster 1913
pontoon plane
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noun a seaplane equipped with pontoons for landing or taking off from water
floatplane.
WordNet
Pontoon train
- the carriages of the pontoons, and the materials they carry for making a pontoon bridge.