A license or permit for absence from a college or a religious house (such as a monastery)(noun)
A permission which a bishop grants to a priest to go out of his diocese(noun)
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Use "exeat" in a sentence
"Doe was out in the world with Freedham, probably without an "exeat," and certainly without a hat."
"They wore their school hats, and badges with the brown, white, and blue ribbons, and the regulation "exeat" uniform, brown Harris tweed skirts and knitted heather-mixture sports coats."
"The case involved the question of whether a ne exeat clause confers a “right of custody” within the meaning of the Hague Convention on International Child Abduction."