Any of a number of these or of some other floating objects as hollow cylinders used as supports for a temporary bridge pontoon bridge 3.

Pontoon pronunciation. See pontoon in the Oxford Advanced American Dictionary. A floating structure supporting a bridge or dock. A floating pontoon bridge links each side of the city but this has been relegated to pedestrian traffic since they built a spectacular motorway road bridge which now dominates the skyline.

N pontoon A water-tight structure which is sunk by filling with water and raised by pumping it out used to close a sluiceway or entrance to a dock. One of two hollow metal containers fastened to the bottom of a plane so that it can come down onto water and float 3. Pontoon synonyms pontoon pronunciation pontoon translation English dictionary definition of pontoon.

View American English pronunciation of pontoon. A float supporting a seaplane Familiarity information. An object that supports a floating bridge PONTOON noun definition and synonyms Macmillan Dictionary Collocations.

Sense 3 early 20th cent. 1 A flat-bottomed boat or hollow metal cylinder used with others to support a temporary bridge or floating landing stage. Definition and synonyms of pontoon from the online English dictionary from Macmillan Education.

A lighter or barge used for loading or unloading ships. Listen to the audio pronunciation in English. A float on an aircraft Also.

Nautical a floating structure as a flat-bottomed boat that serves as a dock or to support a bridge. As modifier a pontoon. Definition of PONTOON noun.