noun
3 shaku (approx. 90.9 cm); waistband; belt; cloth girdle
Primarily a traditional measurement of length (3 shaku ≈ 90.9 cm). Also used metonymically for a waistband or cloth belt, especially in contexts like sumo or traditional clothing, where a 3-shaku cloth is wrapped around the waist.
三尺の布を帯代わりに巻く。
Wrap a 3-shaku cloth as a makeshift belt.
力士は三尺を締めて土俵に上がる。
The sumo wrestler ties his waistband and enters the ring.