ward  
 noun [ C ] uk/wɔːd/ us/wɔːrd/
  (HOSPITAL/PRISON)        
 B2 病房,病室
one of the parts or large rooms into which a hospital is divided, usually with beds for patients
  a geriatric/maternity/psychiatric ward 老年人/产科/精神病病房 
  US牢房,囚室 
one of the parts into which a prison is divided
 - More examples
- The ward was full of children infected with TB.
- She works in the geriatric ward.
- Two hospital wards have had to be closed for fumigation.
- The new ward was opened by the Prince of Wales.
- The emergency wards are full of casualties from the crash.
  (CITY AREA)     
  (城镇或村庄的)区,选区
(in many countries) one of the areas into which a city or town is divided, having its own elected political representative or its own organizations for managing services
   (CHILD)      
 law specialized被监护人(尤指儿童) 
a person, especially a child, who is legally put under the protection of a law court or a guardian
  The girl was made a ward of court to stop her father taking her out of the country. 这个女孩由法院监护,以防止她的父亲将她带出这个国家。