pontoon

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. (nautical) a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridge
• Topics:
boat
• Hypernyms:
barge, flatboat, hoy, lighter
• Part Holonyms:
pontoon bridge, bateau bridge, floating bridge
2. a float supporting a seaplane
• Hypernyms:
float
• Part Holonyms:
amphibian, amphibious aircraft