勝しょう負ぶ俵だわら

noun

bales forming the edge of the sumo ring

Sumo term: the straw bales that define the boundary of the dohyō. Stepping outside these bales results in a loss.

• 力りき士しが勝しょう負ぶ俵だわらを踏ふみ越こえたため、勝しょう負ぶが決きまった。

  The match was decided because the wrestler stepped over the edge bales.