We found 4 dictionaries that define the word pontoon bridges:

General (3 matching dictionaries)

1. pontoon bridges: Collins English Dictionary
2. pontoon bridges: Wiktionary
3. Pontoon bridges: Wikipedia, the Free Encyclopedia

Computing (1 matching dictionary)

4. Pontoon bridges: Encyclopedia

(Note: See pontoon_bridge as well.)

Definitions from Wiktionary (pontoon bridge) ▸ noun:  A temporary bridge built over floating pontoons ▸ Also see pontoon_bridge Phrases: Xerxes' Pontoon Bridges, more... ▸ Words similar to pontoon bridges ▸ Usage examples for pontoon bridges ▸ Idioms related to pontoon bridges ▸ Wikipedia articles (New!) ▸ Words that often appear near pontoon bridges ▸ Rhymes of pontoon bridges ▸ Invented words related to pontoon bridges