叩首 Traditional form: 叩首 Pinyin (reading): kòushǒu Definitions: to kowtow also written 磕頭/磕头 (kētóu) Characters: 叩 - to ask; to bow, to kowtow; to knock 首 - chief, head, leader Traditional characters: 叩 - to ask; to bow, to kowtow; to knock 首 - chief, head, leader