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