noun, noun or participle which takes 'suru', intransitive verb
night watch; night patrol; night watchman
Refers to the act of patrolling at night for security or safety, or the person who does it. Often used in neighborhood or security contexts.
町内会で夜回りをしています。
We do night patrols with the neighborhood association.
夜回
The night watchman was walking around with a flashlight.