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to surround; to encircle; to enclose; to fence; to wall in
to besiege; to lay siege to
to play (go, shogi, etc.)
皆でテーブルを囲んで食事した。
We all sat around the table and ate.
軍勢が城を囲んで攻め入った。
The army besieged the castle and attacked.
記者たちが彼を囲んでいたよ。
Reporters surrounded him.