hydroplane

英 ['haɪdrəpleɪn] 美['haɪdrəplen]

1. an airplane that can land on or take off from water;: "the designer of marine aircraft demonstrated his newest hydroplane"

2. a speedboat that is equipped with hydrofoils that lift it so that it skims the water at high speeds;: "the museum houses a replica of the jet hydroplane that broke the record"