guard

[ɡɑːd]
vb
to watch over or shield (a person or thing) from danger or harm; protect
to keep watch over (a prisoner or other potentially dangerous person or thing), as to prevent escape
to control
to guard one's tongue
to take precautions
to control entrance and exit through (a gate, door, etc)
to provide (machinery, etc) with a device to protect the operator
to protect or cover (a chess man or card) with another.to protect or cover (a stone or bowl) by placing one's own stone or bowl between it and another player
to accompany as a guard
n
a person or group who keeps a protecting, supervising, or restraining watch or control over people, such as prisoners, things, etc
a person or group of people, such as soldiers, who form a ceremonial escort
guard of honour
the official in charge of a train
the act or duty of protecting, restraining, or supervising.(as modifier)
another word for garda
a device, part, or attachment on an object, such as a weapon or machine tool, designed to protect the user against injury, as on the hilt of a sword or the trigger of a firearm
anything that provides or is intended to provide protection
a guard against infection
another name for safety chain.a long neck chain often holding a chatelaine
See guard ring
an article of light tough material worn to protect any of various parts of the body
the position of the two players in a team who play furthest from the basket.a player in this position
the posture of defence or readiness in fencing, boxing, cricket, etc