a speedboat that is equipped with winglike structures 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" पर्याय: hydrofoil,
an airplane that can land on or take off from water; "the designer of marine aircraft demonstrated his newest hydroplane" पर्याय: seaplane,
glide on the water in a hydroplane पर्याय: seaplane,