Ichidan verb, Intransitive verb
to get used to seeing; to become accustomed to seeing; to be familiar with
11ページの地図はとても奇妙に見える。逆さまにしてみると、見慣れた地図になる。The map on page 11 looks very strange. Turn it upside down. Then it becomes a familiar map to you.
Also written 見馴れる【みなれる】