guest night

English Thesaurus

1. an evening when members of a club or college can bring their friends as guests (noun.time)

hypernym	:	eve, even, evening, eventide,
definition	:	the latter part of the day (the period of decreasing daylight from late afternoon until nightfall) (noun.time)

domain region	:	britain, great britain, u.k., uk, united kingdom, united kingdom of great britain and northern ireland,
definition	:	a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom (noun.location)