Sumo ring土俵alternative words: Dohyo, Dohyou, Dohyoo keywords: sumo related topics: Sumo explanation: Dohyo is a place where a sumo match occurs. Officially it has a circular form with 455 cm of diameter. Initially there had been a pillar at each corner but too dangerous, it has been replaced by a suspended tassel since 1952. Dohyo means in Japanese "earthen straw bag" used to delimit this ring. | |