(~s)
1.
In some university colleges in Britain, the ~ is the head.
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2.
In some colleges and universities in the United States, a ~ is an official who deals with matters such as the teaching staff and the courses of study.
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3.
A ~ is the chief magistrate of a Scottish administrative area.
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4.
In the Roman Catholic and Anglican Churches, a ~ is the person who is in charge of the administration of a cathedral.
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