loincloth; waist cloth
力士は下帯を締めて土俵に立つ。
Sumo wrestlers tighten their loincloth and stand on the ring.
木綿の下帯が庶民に広まった。
Cotton loincloths spread among common people.
祭りで下帯姿の男たちが練り歩く。
Men wearing loincloths parade through the festival.