Either: a small floating platform on a river; a low flat-bottomed boat used to do work on the hulls of ships or a float on a seaplane or flying ...
Flat-bottomed floating structure with a shallow draught. a boat or another floating structure used as one of the supports for a temporary bridge means a moored and decked floating structure providing landing or mooring facilities. (nautical) a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridge a float supporting a seaplane A pontoon is a flat-bottomed boat or the floats used to support a structure on water. It may be simply constructed from closed cylinders such as pipes or barrels or fabricated as boxes from metal or concrete. These may be used to support a simple platform, creating a raft. ... Blackjack is one of the most popular casino card games in the world. Pontoon is a blackjack variation with large rule and strategy differences. ...
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