surname Wei; vassal state during the Zhou Dynasty (1066–221 BC), located in present-day Henan and Hebei Provinces

to guard; to protect; to defend; abbr. for 衛生|卫生, hygiene; health; abbr. for 衛生間|卫生间, toilet

bathroom; toilet; WC; CL:間|间[jian1]

guard; bodyguard

hygienic; sanitary; hygiene; sanitation