Definition of Capsule hotel:
Japanese hotel (called Capseru Hoteru) that rents box-like sleeping compartments (typically 6 x 3 x 3 feet) near airports and railway stations as cheap alternative to rooms to overnight guests. It is usually a men only establishment, and each compartment is commonly equipped with an alarm, fan, radio/tv, and curtain. In addition to a fully made-up bed, the amenities include slippers, night robe, and a towel (for bathing in the hotel shower).
Meaning of Capsule hotel & Capsule hotel Definition