white tassel hung above the southwest corner of the sumo ring
Sumo term. One of four colored tassels (房) suspended from the roof above the dohyō, each representing a direction and season. The white tassel corresponds to the southwest corner.
A white tassel hangs at the southwest corner of the sumo ring.
Compound of 白 (しろ, 'white') and 房 (ふさ, 'tassel'). The reading ぶさ is a rendaku (voicing) form of ふさ.