noun
dance float; festival float for dancing
A decorated float used in Japanese festivals (matsuri) on which people can dance, often accompanied by music.
祭りでは、踊り屋台の上で浴衣姿の人たちが踊っていた。
At the festival, people in yukata were dancing on the dance float.
Compound of 踊り (odori, 'dance') and 屋台 (yatai, 'float' or 'cart'). The exact historical origin is uncertain, but the term describes a float used for dancing at festivals.