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.
Origin of sumoJapanese sumō su mutually mō to rush at
Asashoryu (right) and Hakuho (left), both of Mongolia, at the July 2007 Grand Sumo Tournament
- (biochemistry) small ubiquitin-related modifier
- A Misumalpan language of Nicaragua.