A cabinet is a piece of furniture with shelves, doors, or drawers used for storing things. It can also mean a group of top government officials who advise the leader of a country.
From French 'cabinet,' a diminutive of 'cabane' meaning 'small room' or 'private room.' Originally, a 'cabinet' was a small private chamber where important people kept valuables or held private meetings. The furniture sense grew from storage in such rooms, and the political sense grew from the group that met there.
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