(in the UK) one of the periods of time when universities or courts of law are closed; (in the US) one of the periods of time when schools, colleges, universities or courts of law are closed
تعطیلات, تعطیلات دانشگاهی, تعطیلات قضایی, تعطیلات مدارس
the Christmas/Easter/summer vacation
(British English)the long vacation
I got a full-time job during the vacation.
see also vac