expression, godan verb (-su)
spin a top
Literal action of spinning a top toy. The expression is a fixed phrase using the verb 回す.
子供の頃、よく独楽を回して遊んだ。
When I was a child, I often played by spinning tops.
Mixed kana-kanji spelling; common when the kanji 独楽 is considered difficult.
Compound of 独楽 (こま, 'top') + を + 回す (まわす, 'to spin'). The kanji 独楽 is a jukujikun reading for the spinning top toy.