English dictionary, thesaurus, translations & etymology
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noun

patrol

puh-TROHL
noun
1
A group of soldiers, police officers, or guards that moves through an area to watch over it or look for trouble.
"A police patrol drove slowly through the neighborhood after dark."
"The border patrol spotted movement near the fence line."
verb
1
To move regularly through an area in order to guard it or check for problems.
"Officers patrol the downtown area on foot during weekend nights."
"Guards patrolled the perimeter of the compound every hour."

How to Use Patrol

Learner’s notes

In plain EnglishTo walk or travel around an area regularly to keep it safe, or the group of people doing that.

Common pairings
police patrol patrol the streets on patrol border patrol

Word Forms

patrolled past tense, patrols plural, patrols singular

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Fill the Gap

Can you complete this real example?

A police _____ drove slowly through the neighborhood after dark.

Etymology

From French patrouille, originally meaning "a night-watch" or literally "a tramping about," related to patte, "paw" or "foot."

Definitions: FreeDict original editorial