the act or duty of protecting or defending or of preventing escape
a person or group who performs this duty
a person or group whose duty is to watch over and protect a place, people, etc
a person or group whose duty is to control (somebody) or prevent them from escaping
(in pl) = household troops
a protective or safety device, e.g. a device on a machine to prevent for protecting the operator against injury
a defensive position in boxing, fencing, etc
in cricket, the position of the batsman relative to the wicket when waiting to receive the ball
a state of readiness to deal with adverse events; vigilance
Brit the person in charge of the carriages, wagons, and any passengers, etc in a railway train
to be relaxed and unwary, unprepared to deal with a threat
to be alert and vigilant, ready to deal with a threat
to act as a guard or sentry