四し本ほん柱ばしら

noun

four pillars supporting the sumo ring roof

Historical sumo term; refers to the four posts that once supported the roof over the dohyō. No longer used in modern sumo, but still encountered in historical contexts.

• 昔むかしの相撲すもうでは、四し本ほん柱ばしらが土ど俵ひょうの屋や根ねを支ささえていた。

  In old sumo, the four pillars supported the roof over the ring.