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Pontoon bridge   /pɑntˈun brɪdʒ/   Listen
noun
Bridge  n.  
1.
A structure, usually of wood, stone, brick, or iron, erected over a river or other water course, or over a chasm, railroad, etc., to make a passageway from one bank to the other.
2.
Anything supported at the ends, which serves to keep some other thing from resting upon the object spanned, as in engraving, watchmaking, etc., or which forms a platform or staging over which something passes or is conveyed.
3.
(Mus.) The small arch or bar at right angles to the strings of a violin, guitar, etc., serving of raise them and transmit their vibrations to the body of the instrument.
4.
(Elec.) A device to measure the resistance of a wire or other conductor forming part of an electric circuit.
5.
A low wall or vertical partition in the fire chamber of a furnace, for deflecting flame, etc.; usually called a bridge wall.
Aqueduct bridge. See Aqueduct.
Asses' bridge, Bascule bridge, Bateau bridge. See under Ass, Bascule, Bateau.
Bridge of a steamer (Naut.), a narrow platform across the deck, above the rail, for the convenience of the officer in charge of the ship; in paddlewheel vessels it connects the paddle boxes.
Bridge of the nose, the upper, bony part of the nose.
Cantalever bridge. See under Cantalever.
Draw bridge. See Drawbridge.
Flying bridge, a temporary bridge suspended or floating, as for the passage of armies; also, a floating structure connected by a cable with an anchor or pier up stream, and made to pass from bank to bank by the action of the current or other means.
Girder bridge or Truss bridge, a bridge formed by girders, or by trusses resting upon abutments or piers.
Lattice bridge, a bridge formed by lattice girders.
Pontoon bridge, Ponton bridge. See under Pontoon.
Skew bridge, a bridge built obliquely from bank to bank, as sometimes required in railway engineering.
Suspension bridge. See under Suspension.
Trestle bridge, a bridge formed of a series of short, simple girders resting on trestles.
Tubular bridge, a bridge in the form of a hollow trunk or rectangular tube, with cellular walls made of iron plates riveted together, as the Britannia bridge over the Menai Strait, and the Victoria bridge at Montreal.
Wheatstone's bridge (Elec.), a device for the measurement of resistances, so called because the balance between the resistances to be measured is indicated by the absence of a current in a certain wire forming a bridge or connection between two points of the apparatus; invented by Sir Charles Wheatstone.



Pontoon  n.  
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.






Collaborative International Dictionary of English 0.48








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"Pontoon bridge" Quotes from Famous Books



... Hobart, and I rode down to the Tennessee to look at the pontoon bridge which has been thrown across the river. On the way we met Generals Rosecrans, McCook, Negley, and Garfield. The former checked up, shook hands, and said: "How d'ye do?" Garfield gave us a grip which suggested "vote right, vote early." Negley smiled ...
— The Citizen-Soldier - or, Memoirs of a Volunteer • John Beatty

... our troops, the season of the year, the almost total lack of means of transportation for supplies and of a pontoon bridge to cross the river, rendered any considerable movement on our part impossible. But to relieve the existing apprehension, I determined to assume the offensive at once, and to maintain ...
— Forty-Six Years in the Army • John M. Schofield

... that it was the custom in that part of the country to give distance by time. In half an hour afterwards the lights of the bridge at Kohl showed up. There were two bridges there, one for the railroad and one a low pontoon bridge. While watching the high railroad bridge, as he was rapidly approaching on the current, he struck on one of the pontoons and was whirled under. On coming to the surface, he hauled for the shore and landed. It was then ...
— The Story of Paul Boyton - Voyages on All the Great Rivers of the World • Paul Boyton

... Palmerston to the Turkish Government, all difficulties have been removed with regard to the Egyptian railway, the works of which are to proceed without delay. Mr. Stephenson has surveyed the line. The two branches of the Nile are to be crossed by a pontoon bridge. The Pasha has given orders for 18,000 laborers to be ...
— The International Monthly, Volume 5, No. 3, March, 1852 • Various



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