縒音 [－－]

Jyutping 縒 jam1
Pinyin cī yīn

Definitions (Wiktionary)
  1. verb, Hokkien, Xiamen
    to be out of tune; to go off-key
    (syn.) 縒調, 跑调, 跑調, 走調, 走音, 走调, 𬘷调