Caisson
Pontoon
Pontoon noun - (nautical) a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridge.
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Synonyms for Pontoon
Nearby Word: ponton
Cite this Source
Pontoon and Caisson. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/caisson/pontoon
Caisson & Pontoon. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/caisson/pontoon>.
Pontoon or Caisson. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/caisson/pontoon.
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