旋窩子 [－窝－]

Jyutping syun4 wo1 zi2
Pinyin xuán wō zi

Definitions (Wiktionary)
  1. noun, Xiang
    swirl; whirlpool (whirling eddy)
    (syn.) 漩涡, 倒绞水, 倒絞水, 漩水, 漩渦