| Date: | 1600-1700 |
| Language: | French |
| Origin: | patrouiller, from patte 'animal's foot' |
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pa‧trol1
past tense and past participle patrolled, present participle patrolling [transitive]
past tense and past participle patrolled, present participle patrolling [transitive]1 to go around the different parts of an area or building at regular times to check that there is no trouble or danger :
Armed guards patrolled the grounds.
an area patrolled by special police units
Armed guards patrolled the grounds.
an area patrolled by special police units2 to drive or walk around an area in a threatening way :
Gangs of youths patrolled the streets at night.
Gangs of youths patrolled the streets at night.



