ward

[wɔːd]
n
(in many countries) a district into which a city, town, parish, or other area is divided for administration, election of representatives, etc
a room in a hospital, esp one for patients requiring similar kinds of care
a maternity ward
one of the divisions of a prison
an open space enclosed within the walls of a castle
a person, esp a minor or one legally incapable of managing his own affairs, placed under the control or protection of a guardian or of a court.guardianship, as of a minor or legally incompetent person
the state of being under guard or in custody
a person who is under the protection or in the custody of another
a means of protection
an internal ridge or bar in a lock that prevents an incorrectly cut key from turning.a corresponding groove cut in a key
a less common word for warden
vb
to guard or protect
See ward off