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pontoon |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Pontoon \Pon*toon"\, n. [F. ponton (cf. It pontone), from L. ponto, -onis, fr pons, pontis, a bridge, perhaps originally, a way path: cf Gr ? path, Skr. path, pathi, panthan. Cf {Punt} a boat.] 1. (Mil.) A wooden flat-bottomed boat, a metallic cylinder, or a frame covered with canvas, India rubber, etc., forming a portable float, used in building bridges quickly for the passage of troops. 2. (Naut.) A low flat vessel, resembling a barge, furnished with cranes, capstans, and other machinery, used in careening ships, raising weights, drawing piles, etc., chiefly in the Mediterranean; a lighter. {Pontoon bridge}, a bridge formed with pontoons. {Pontoon train}, the carriages of the pontoons, and the materials they carry for making a pontoon bridge. Note: The French spelling ponton often appears in scientific works but pontoon is more common form From WordNet r 1.6 [wn]: pontoon n 1: a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridge 2: a float supporting a seaplane
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