to whirl; to eddy; to swirl; to curl (of smoke)
to whirl around (of feelings, thoughts, etc.); to swirl around; to surge
川の水が渦巻いている。
The river water is swirling.
不安な気持ちが胸の中で渦巻いた。
Anxious feelings swirled in my chest.
暴風雨の中で海が激しく渦巻く。
The sea swirls violently in the storm.