Reference meaning
pontoon
Last updated
(nautical) a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridge
Other meanings
2. noun
a float supporting a seaplane
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 03981566-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.