to kowtow (traditional greeting, esp. to a superior, involving kneeling and pressing one's forehead to the ground)
叩头
kòu tóu
to kowtow (traditional greeting, esp. to a superior, involving kneeling and pressing one's forehead to the ground) / also written 磕頭|磕头[ke1 tou2]
眉间
méi jiān
the flat area of forehead between the eyebrows / glabella
五刑
wǔ xíng
imperial five punishments of feudal China, up to Han times: tattooing characters on the forehead 墨[mo4], cutting off the nose 劓[yi4], amputation of one or both feet 刖[yue4], castration 宮|宫[gong1], execution 大辟[da4 pi4] / Han dynasty onwards: whipping 笞[chi1], beating the legs and buttocks with rough thorns 杖[zhang4], forced labor 徒[tu2], exile or banishment 流[liu2], capital punishment 死[si3]