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leg; foot; counter for chairs
foot; leg
「脚」 has another reading with different meanings.
会議室に椅子を十脚並べた。
I arranged ten chairs in the meeting room.
足りないから椅子をもう二脚持ってきて。
We don't have enough so bring two more chairs.
古い椅子を三脚まとめて処分することにした。
I decided to dispose of three old chairs at once.