The Collaborative International Dictionary
Hydro-aeroplane
Hydro-aeroplane \Hy"dro-a"["e]r*o*plane`\ (A["e]ronautics) An a["e]roplane with a boatlike or other understructure that enables it to travel on, or to rise from the surface of, a body of water by its own motive power; -- now usually referred to as a seaplane. [obsolescent]
Usage examples of "hydro-aeroplane".
They talked in low tones, but as nearly as I could make out Kennedy was hiring a hydro-aeroplane for to morrow with as much nonchalance as if it had been a taxicab.
Down the coast they steamed toward the beach where Billings had made his crossing in the hydro-aeroplane and just at dusk the lookout announced a light dead ahead.