机头座 Traditional form: 機頭座 Pinyin (reading): jītóuzuò Definitions: headstock turning head of a screw, drill, lathe etc Characters: 机 - desk; machine; moment, opportunity 头 - head; chief, boss; first, top 座 - seat; stand, base Traditional characters: 機 - desk; machine; moment, opportunity 頭 - head; chief, boss; first, top 座 - seat; stand, base