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Added 9 October 2026

pontoon

/pɒnˈtuːn/ noun

Latin root: pontō Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about pontoon at Wordnik → Where our words come from →

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

Origin

Borrowed from Middle French ponton, from Old French ponton, from Latin pontō, pontōnem (“ferryboat”), from pōns (“bridge”).

From Wiktionary, via Kaikki.org (CC BY-SA)

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