a person who keeps watch over something or someone

the person who plays that position on a football team

a device designed to prevent injury or accidents

a posture of defence in boxing or fencing

the person who plays the position of guard on a basketball team

a military unit serving to protect some place or person

a precautionary measure warding off impending danger or damage or injury etc.

the duty of serving as a sentry

(American football) a position on the line of scrimmage

a position on a basketball team

to keep watch over

watch over or shield from danger or harm; protect

protect against a challenge or attack

take precautions in order to avoid some unwanted consequence

a boat that is on guard duty (as in a harbor) around a fleet of warships

a dog trained to guard property

the duty of serving as a sentry

coarse hairs that form the outer fur and protect the underfur of certain mammals

an escort for a distinguished guest or for the casket at a military funeral

a warship (at anchor or under way) required to maintain a higher degree of readiness than others in its squadron

the car on a train that is occupied by the guard

looking forward

prudent

in a conservative manner

a military facility that serves as the headquarters for military police and in which military prisoners can be detained

a person who cares for persons or property

an angel believed to have special affection for a particular individual

an angel believed to have special affection for a particular individual

attention and management implying responsibility for safety

the responsibility of a guardian or keeper

a railing placed alongside a stairway or road for safety

a cell in which soldiers who are prisoners are confined

a room used by soldiers on guard

a soldier who is a member of a unit called `the guard' or `guards'