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1. Brit the official in charge of a train
2. Sport an article of light tough material worn to protect any of various parts of the body
3. Basketball
a. the position of the two players in a team who play furthest from the basket
b. a player in this position
4. the posture of defence or readiness in fencing, boxing, cricket, etc.
5. take guard Cricket (of a batsman) to choose a position in front of the wicket to receive the bowling, esp by requesting the umpire to indicate his position relative to the stumps
6. give guard Cricket (of an umpire) to indicate such a position to a batsman



an armed detachment appointed to protect and defend military objectives or to render military honors.

In the Soviet armed forces there are garrison (camp) and interior (ship) guards and honor guards. Garrison and interior guards are composed of the commander of the guard, who may be an officer or a sergeant, depending on the importance of the object and the number of posts; privates of the guard, their number depending on the number of posts and shifts; and if necesssary a deputy commander and corporals of the guard. For the protection and defense of the military objects, sentries are assigned—armed soldiers (privates of the guard) directly in charge of the protection and defense of the posts entrusted to them.

Honor guards are appointed for the welcome at the garrison of the chairman of the Presidium of the Supreme Soviet of the USSR, the chairman of the Council of Ministers of the USSR, the generalissimo of the Soviet Union, the minister of defense of the USSR, marshals of the Soviet Union, and admirals of the Fleet of the Soviet Union. Moreover, an honor guard may also be assigned to banners carried at formal sessions, the unveiling of state monuments, the welcome and escorting of representatives of foreign states, and the funerals of servicemen and of civilians who have rendered special services to the state. An honor guard is composed of infantry units from platoon to company level and a band. An honor guard may also be composed only of officers and sergeants.



A shield or other fixture designed to protect against injury.
(mining engineering)
A support in front of a roll train to guide the bar into the groove.


1. In functional programming, a Boolean expression attached to a function definition specifying when (for what arguments) that definition is appropriate.

2. In (parallel) logic programming, a Boolean expression which is used to select a clause from several alternative matching clauses.

See Guarded Horn Clauses.

3. In parallel languages, a Boolean expression which specifies when an message may be sent or received.
References in periodicals archive ?
In an effort to protect their corn field, villagers decided to keep guard in the village which has a population of 700.
However, we, as the administrative body of the mosque, keep guard until 1 a.
The rally in the area is ongoing, with demonstrators taking shifts to keep guard and prevent trees from being felled.
The RMT said the meeting could consider how agreements the union has reached in Scotland and Wales, which will keep guards on new trains, can be applied to the current disputes.
Rail workers' union the RMT has welcomed the move by West Yorkshire Combined Authority which covers Kirklees, Leeds, Bradford, Calderdale, Wakefield and York councils for supporting the union's campaign to keep guards on Northern rail services.
A spokesman for South Western Railway, which runs trains betweenReading,Bracknell,WokinghamandLondon Waterloosaid the company had "repeatedly assured" the union of plans to keep guards on trains.
The union is already holding a walkout tomorrow as it battles to keep guards on Merseyrail services from 2020, but now passengers face disruption in January, too.
If we took this mob out of the equation we could cut fares, keep guards and invest in modernisation and upgrade works that railways are crying out for.