The word "ward" can have several meanings depending on the context. Generally, it refers to a division or area within a larger context. It can denote a room in a hospital, a division in a legal context where a minor is placed under the care of a guardian, or a protective measure against something. In a more general sense, it can also imply safeguarding or protecting someone.
The word "ward" originates from Old English "weard," which means "guard" or "protector." The term has evolved over the centuries but retains the core idea of protection or division.