poste restante in British English
(ˈpəʊst rɪˈstænt, French pɔst rɛstɑ̃t)
noun1. (not in the US and Canada) an address on mail indicating that it should be kept at a specified post office until collected by the addressee
2. the mail-delivery service or post-office department that handles mail having this address
US and Canadian equivalent: general deliveryWord origin
French, literally: mail remaining