noun
long socks; stockings
Refers to socks that extend above the calf, including knee-highs and thigh-highs. The English glosses 'long sox' and 'hose' are rare or dated; the core meaning is simply long socks or stockings.
冬は長靴下を履くと暖かい。
Wearing long socks keeps you warm in winter.
制服には黒の長靴下
I pair the uniform with black knee-high socks.