Sumo
Context
A Japanese form of heavyweight wrestling where two wrestlers (rikishi) face off in a circular area
Explanation
Sumo is a competitive full-contact wrestling sport, where a wrestler wins by forcing the opponent out of the ring or making any part of his body other than the soles of his feet touch the ground.
Applications
Sumo has deep cultural and traditional significance in Japan.
Professional sumo is divided into divisions, with the top division known as 'Makuuchi'.
Sumo wrestlers follow a strict lifestyle and training regimen, and bouts are steeped in ritual.