縊蟶 [缢蛏]

Jyutping ai3 蟶
Pinyin yì chēng

Definitions (Wiktionary)
  1. noun
    Chinese razor clam (Sinonovacula constricta)
    (syn.) 人蟶, 蟶, 蟶子, 縊蟶, 蟶仔