noun
ultralight indoor model plane
A wasei-eigo term for a very lightweight, slow-flying model airplane designed for indoor flight, often made of foam or thin balsa.
wasei-eigo (Japanese-coined English), from feather plane
体育館でフェザープレーンを飛ばすのが趣味です。
My hobby is flying feather planes in the gymnasium.
Variant spelling with interpunct; less common but still seen.
Wasei-eigo from English 'feather' and 'plane', referring to its light weight and indoor use.