sumo

A Japanese form of wrestling in which a competitor loses if forced from the ring or if any part of his body except the soles of his feet touches the ground.

a stylised Japanese form of wrestling in which a wrestler loses if he is forced from the ring, or if any part of his body except the soles of his feet touch the ground.

a Japanese form of wrestling; you lose if you are forced out of a small ring or if any part of your body (other than your feet) touches the ground