Sumo (proper noun) /ˈsuːməʊ/
1
A Misumalpan language of Nicaragua.
sumo (noun) /ˈsuːməʊ/
1
(uncountable) 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 touches the ground.
2
(countable, colloquial) A rikishi (sumo wrestler)