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to go around; to make a circle around
to surround; to circle; to enclose
to come around (of a season, anniversary, turn, etc.); to return; to repeat; to circulate (of blood, money, etc.)
to travel around; to make a tour of
to concern (a matter); to surround
「廻る」 has other readings with different meanings.
城の周りを廻って歴史を学んだ。
I went around the castle and learned about its history.
季節が廻って再び桜の時期がやってきた。
The seasons have come around and cherry blossom time is here again.
京都の寺院を一日かけて廻った。
I spent a day visiting the temples in Kyoto.