noun
patrol; rounds; inspection tour
Refers to the act of walking around to inspect or guard an area, such as a security patrol or a routine check.
警備員が夜の見回りをしている。
The security guard is doing a nighttime patrol.
先生が教室の見回りに行った。
The teacher went on a round of the classrooms.
noun
watchman; patrolman
A person who patrols or inspects; often used for a guard or night watchman. Less common than the action sense.
見回りが毎晩この道を通る。
The watchman passes along this road every night.
巡回 is a more formal term for patrolling or making rounds, often used in official or systematic contexts, while 見回り is a common, everyday word.
パトロール is a loanword from English 'patrol' and carries a modern, often police- or security-related nuance, whereas 見回り is a native Japanese word with broader usage.
Compound of 見 (mi, 'seeing') + 回り (mawari, 'going around'). The kanji 廻 is an older variant of 回.