Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A floating structure, such as a flatbottom boat, used to support a bridge.
  • noun A floating structure serving as a dock.
  • noun Either of two floating structures attached to a seaplane.

from The Century Dictionary.

  • noun In milit engin., a flat-bottomed boat, or any light framework or floating structure, used in the construction of a temporary bridge over a river.
  • noun Nautical, a lighter; a low flat vessel resembling a barge, furnished with cranes, capstans, and other machinery, used in careening ships, chiefly in the Mediterranean.
  • noun In hydraulic engineering: A water-tight structure or frame placed beneath a submerged vessel and then filled with air to assist in refloating the vessel.
  • noun 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. Also spelled ponton.
  • noun In anatomy, a loop or knuckle of the small intestine: so called from the way it appears to float in the abdominal cavity. See the quotation under mesentery.
  • noun In brewing, one of the cleansing-rounds or cleansing-squares used for clarifying ale.
  • noun Same as catamaran, 4.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (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.
  • noun (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.
  • noun a bridge formed with pontoons.
  • noun the carriages of the pontoons, and the materials they carry for making a pontoon bridge.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun card games A card game in which the object is to obtain cards whose value adds up to, or nearly to, 21 but not exceed it.
  • noun military A flat-bottomed boat used as a support for a temporary bridge.
  • noun A floating structure supporting a bridge or dock.
  • noun A box used to raise a sunken vessel.
  • noun A float of a seaplane.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a float supporting a seaplane
  • noun (nautical) a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridge

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[French ponton, from Old French, from Latin pontō, pontōn-, floating bridge, from pōns, pont-, bridge; see pent- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Probably from vingt-un, an obsolete variant of vingt-et-un, from French, literally ‘twenty-one’.

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Old French ponton, from Latin ponto (‘ferryboat’), from pons (‘bridge’).

Examples

  • The party boat is what we called the pontoon boat.

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  • It could very well have been "pontoon" on a different day.

    Archive 2008-12-01

  • It could very well have been "pontoon" on a different day.

    Reading, Writing, Cooking and Crafting: Christmas meats

  • Other games are "crown and anchor", which is a dice game, and "pontoon", which is a card game similar to "twenty-one" or "seven and a half."

    A Yankee in the Trenches

  • So I turn to the "pontoon," a composite dish containing everything in the world which is edible and savoury, and I ask the Cook-Sergeant why we cannot get that sort of thing in peace time, pay what we will.

    Punch or the London Charivari, Vol. 147, September 23, 1914

  • Huge industrial cranes lifted the 120-year-old vessel from the slipway on Lowestoft's north quay on to the 50m long pontoon which is going to support the ship for years to come.

    EDP24 News

  • With the first new post-war cars, the 1947 Studebaker shows trends that would shape the era: the "pontoon" all-enveloping body restrained by functionally unnecessary vestigial rear "fenders" and a bright accent line where the running board used to be.

    The Truth About Cars

  • To that end, it wears husky, squared-off sheet metal, an upright roof, and creased "pontoon" fenders similar to those on the new GLK crossover ( "a new Mercedes schtick," offers design editor Robert Cumberford).

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  • Yes | No | Report from countitandone wrote 25 weeks 4 days ago oh yeah ~ wearing my beige crocs while on the water (pontoon) has made an uncomfortable task (water skeeter fins) comfortable.

    A Big Croc of...

  • Yes | No | Report from countitandone wrote 25 weeks 4 days ago oh yeah ~ wearing my beige crocs while on the water (pontoon) has made an uncomfortable task (water skeeter fins) comfortable.

    A Big Croc of...

Comments

New comments are temporarily disabled while we update our database.

  • Satisfying amount of o's.

    February 5, 2019

  • Just got cohomology as a random word and thought of this.

    February 6, 2019

  • Cohorts of bold coho croon on top of pontoons.

    February 6, 2019

  • Oooo!

    February 7, 2019

  • *swoons*

    February 8, 2019