魁蚶 Traditional form: 魁蚶 Pinyin (reading): kuíhān Definitions: arc clam (Arca inflata) Characters: 魁 - chief, leader; best; monstrous 蚶 - clam, bivalve; Arca inflata Traditional characters: 魁 - chief, leader; best; monstrous 蚶 - clam, bivalve; Arca inflata