Lua error in Module:Unicode_data at line 293: attempt to index local 'data_module' (a boolean value). is a Japanese full-contact sport.
In sumo, a wrestler (rikishi) attempts to force another wrestler out of a circular ring (the dohyō) 4.55 metres in diameter. Also, the rikishi try to use their skill to force an opponent to touch the ground with anything other than the soles of his feet.