Patrol
/pəˈtroʊl/
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Definition
(noun) A going of the rounds along the chain of sentinels and between the posts, by a guard, usually consisting of three or four men, to insure greater security from attacks on the outposts.
Sentence Examples
The patrol cars cover the whole of the area.
He ran away at the sight of a police patrol.
CEFR Practice Quiz
The security guard completed his hourly ____ of the building before returning to the front desk.