to guard / to protect / to defend / abbr. for 衛生|卫生, hygiene / health / abbr. for 衛生間|卫生间, toilet / surname Wei / vassal state during the Zhou Dynasty (1066-221 BC), located in present day Henan and Hebei Provinces
coffin-bearing pole (old) / thick pole / bar / rod / thick line / to mark with a thick line / to sharpen (a knife, razor etc) / to get into a dispute with / standard / criterion