pontoon
pon toohn
- n (nautical) a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridge
- n a float supporting a seaplane
- In another moment the amidships pontoons appeared.
- They have advanced two methods: cut out the reactor compartment and lift it to the surface, or raise the entire boat using inflatable pontoons.
- A battered pontoon, found floating last week off the Fugloe Islands, north of Norway, was taken to be conclusive evidence that Capt.