watch over in order to protect or control
two men were left to guard the stockade
the gates were guarded by uniformed soldiers
protect against damage or harm
the company fiercely guarded its independence
a person who keeps watch, especially a soldier or other person assigned to protect a person or to control access to a place
a security guard
soldiers on guard duty
a device worn or fitted to prevent injury or damage
a retractable blade guard
a defensive posture that is adopted in a boxing or martial arts contest or in a fight
before Seb could raise his guard Boz swung a wild punch
an official who rides on and is in general charge of a train
each of two players either side of the centre