沉潭 [－－]

Jyutping cam4 taam4
Pinyin chén tán

Definitions (CC-CEDICT)
  1. to sink sb to the bottom of a pond (a kind of private punishment, especially for unfaithful wives)
Definitions (Wiktionary)
  1. verb, historical
    to tie someone to a rock and drown them (as a torture in ancient China)
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）