ㄓㄥzhēngㄔㄨㄥchōng

  1. 驚悸樣子聊齋志異··》:日來怔忡停息金華妖物遠遁旦晚。」

  2. 中醫心跳劇烈症狀紅樓夢·》:連連閒愁不了情色語言怔忡。」

(of the heart)​ palpitating with fear, palpitation (Chinese medicine)​
Palpitation (S, Med)​