磕头 Traditional form: 磕頭 Pinyin (reading): kētóu Definitions: to kowtow (traditional greeting, esp. to a superior, involving kneeling and pressing one's forehead to the ground) Characters: 磕 - to collide, to hit, to knock, to tap 头 - head; chief, boss; first, top Traditional characters: 磕 - to collide, to hit, to knock, to tap 頭 - head; chief, boss; first, top