1
: a flat-bottomed boat (such as a lighter)
especially
: a flat-bottomed boat or portable float used in building a floating temporary bridge
2
: a float especially of a seaplane
British
Examples of pontoon in a Sentence
Recent Examples on the Web
David Faris, MSNBC Newsweek, 11 Apr. 2025
Josey — who was found asleep and alone on the adrift pontoon later that day — still holds a lot of guilt.
—Brianne Tracy, People.com, 14 Feb. 2025
After dinner, my father wants to take us out on his pontoon, show us the lake.
—Julie Buntin, Harper's Magazine, 2 Jan. 2025
Other systems are mounted on the barges and pontoons.
—R. Daniel Foster, Forbes, 26 Dec. 2024
See All Example Sentences for pontoon
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Noun
The pilot was able to inflate pontoons so the helicopter remained upright on the water and there were no serious injuries, though the passengers were all taken to hospital.
—David Faris, MSNBC Newsweek, 11 Apr. 2025
Josey — who was found asleep and alone on the adrift pontoon later that day — still holds a lot of guilt.
—Brianne Tracy, People.com, 14 Feb. 2025
After dinner, my father wants to take us out on his pontoon, show us the lake.
—Julie Buntin, Harper's Magazine, 2 Jan. 2025
Other systems are mounted on the barges and pontoons.
—R. Daniel Foster, Forbes, 26 Dec. 2024
See All Example Sentences for pontoon
Cite this Entry
“Pontoon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pontoon. Accessed 22 Apr. 2025.
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