noun
exhibition sumo tournament; non-major sumo tournament
Refers to a sumo tournament that is not one of the six official honbasho. Often held for charity, regional promotion, or entertainment.
来月、地元で花相撲が開かれる。
Next month, an exhibition sumo tournament will be held in our hometown.
花相撲は本場所と違って、力士のリラックスした
Unlike official tournaments, at exhibition sumo events you can see the wrestlers in a more relaxed mood.