a device designed to prevent injury or accidents
the duty of serving as a sentry
a precautionary measure warding off impending danger or damage or injury etc.
watch over or shield from danger or harm; protect
protect against a challenge or attack
(American football) a position on the line of scrimmage
a military unit serving to protect some place or person
a person who keeps watch over something or someone
a position on a basketball team
a posture of defence in boxing or fencing
take precautions in order to avoid some unwanted consequence
the person who plays that position on a football team
the person who plays the position of guard on a basketball team
to keep watch over
getting rid something that is regarded as useless or undesirable
throw or cast away
anything that is cast aside or discarded
(cards) the act of throwing out a useless card or of failing to follow suit