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
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David Goodhue, Miami Herald, 14 Aug. 2025
But there’s also the Audubon Bird Sanctuary and Alabama Aquarium at the Dauphin Island Sea Lab.
Dauphin Island village at the island’s east end offers restaurants and deep-sea fishing charters as well as rental speedboats, pontoon boats and jet skis.
—Cnn.com Wire Service, Mercury News, 8 Aug. 2025
The men were part of a group of five people who entered the water to cool off on Aug. 3 while on a rented pontoon boat parked on a beach near Topock Gorge on the Colorado River, according to the Mohave County Sheriff's Office.
—Daniel Gonzalez, AZCentral.com, 5 Aug. 2025
The Boat Tour, composed of six 18-passenger pontoon boats, has led visitors through the chain seven days per week since 1938.
—Zoey Thomas, The Orlando Sentinel, 22 July 2025
See All Example Sentences for pontoon
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Noun
The business did file a petition for limitation for liability in federal court related to a Sept. 11, 2024, crash involving one of its rental pontoon boats, which hit another vessel near New River in Fort Lauderdale, records show.
—David Goodhue, Miami Herald, 14 Aug. 2025
But there’s also the Audubon Bird Sanctuary and Alabama Aquarium at the Dauphin Island Sea Lab.
Dauphin Island village at the island’s east end offers restaurants and deep-sea fishing charters as well as rental speedboats, pontoon boats and jet skis.
—Cnn.com Wire Service, Mercury News, 8 Aug. 2025
The men were part of a group of five people who entered the water to cool off on Aug. 3 while on a rented pontoon boat parked on a beach near Topock Gorge on the Colorado River, according to the Mohave County Sheriff's Office.
—Daniel Gonzalez, AZCentral.com, 5 Aug. 2025
The Boat Tour, composed of six 18-passenger pontoon boats, has led visitors through the chain seven days per week since 1938.
—Zoey Thomas, The Orlando Sentinel, 22 July 2025
See All Example Sentences for pontoon
Cite this Entry
“Pontoon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pontoon. Accessed 21 Aug. 2025.
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