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A covering for the head, often in the approximate form of a cone or a cylinder closed at its top end, and sometimes having a brim and other decoration.
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A particular role or capacity that a person might fill.
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Any receptacle from which numbers/names are pulled out in a lottery.
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A hat switch.
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The háček symbol.
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The caret symbol ^.
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User rights on a website, such as the right to edit pages others cannot.
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(Cambridge University slang) A student who is also the son of a nobleman (and so allowed to wear a hat instead of a mortarboard).