らせんみずあげき
Composed of
spiral; helix; screw
landing; unloading (e.g. a ship); catch (of fish); takings; sales (of a shop); defloration (e.g. of a geisha)
① 物事の起こるきっかけ。物事を行うのによい時機。機会。② 航空機、飛行機の略称。