1. (wrestling) ringSumo term
2. forum (e.g. for discussion)
3. sandbag; gabion
4. Dohyou
Wikipedia definition
5. DohyōThe dohyō (土俵) is the ring in which sumo wrestling bouts are held. A modern dohyo 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 activity. The dohyō is removed after each tournament, and in the case of Nagoya, pieces are taken home by the fans as souvenirs.
Read “Dohyō” on English Wikipedia
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Read “Dohyō” on DBpedia


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