hydroaeroplane

== English == === Etymology === From hydro- +‎ aeroplane (hydro- +‎ aero- +‎ plane). === Noun === hydroaeroplane (plural hydroaeroplanes) (aviation, obsolete) A floatplane, an airplane specialized for operating on water, having pontoon floats instead of skids or wheels. ==== Usage notes ==== (obsolete aviation term): This term was used to describe the very first seaplanes and floatplanes, at the dawn of powered aviation through early-post-WWI era (late 'teens, early twenties). ==== Synonyms ==== hydro (abbreviation) seaplane floatplane ==== Derived terms ==== hydro (abbreviation) ==== Related terms ====