simple past and past participle of guard

Cautious; restrained.

Watched over; supervised.

(medicine, often euphemistic) When the practitioner formulating the opinion does not have enough information to know, or to foretell, what the outcome may be.

(especially heraldry) Having a guard, e.g. a crossguard (on a sword), a faceguard (on a helmet), or a hatguard (on a chapeau).