The dohyō (土俵) is the ring in which sumo wrestling bouts are held. A modern dohyō is a circle of rice-straw bales 4.55 meters in diameter, mounted on a square platform of clay 6.7m on a side, and 34 to 60 cm high. The surface is covered by sand. A new dohyō is built prior to each tournament by the yobidashi, who are responsible for this act...
Found on
http://en.wikipedia.org/wiki/Dohyō
The sumo ring.
Found on
http://www.chijanofuji.com/Glossary.html
The clay ring in which a sumo match takes place.
Found on
http://www.sumotalk.com/glossary.htm
No exact match found.
