noun (common) (futsuumeishi) ring;cancha

noun (common) (futsuumeishi) sumo (wrestling) ring

noun (common) (futsuumeishi) forum (e.g. for discussion)

noun (common) (futsuumeishi) sandbag;gabion

Dohyou

noun (common) (futsuumeishi) sumo opening ceremony for the new ring in a stable