patrol
C1UK /pəˈtrəʊl/US /pəˈtrəʊl/
Meaning
noun
the act of going to different parts of a building, an area, etc. to make sure that there is no trouble or crime
“Security guards make regular patrols at night.”
verb
to go around an area or a building at regular times to check that it is safe and that there is no trouble
“Troops patrolled the border day and night.”
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