hydroplane

(noun) an airplane that can land on or take off from water. Synonyms: seaplane. Example: "The designer of marine aircraft demonstrated his newest hydroplane."

(noun) a speedboat that is equipped with winglike structures that lift it so that it skims the water at high speeds. Synonyms: hydrofoil. Example: "The museum houses a replica of the jet hydroplane that broke the record."

(verb) glide on the water in a hydroplane. Synonyms: seaplane.