Wiktionary
n. A postal service in which mail is held at a post office to be collected by the recipient
WordNet
n. a part of the post office that handles mail for persons who call for it [syn: general delivery]
a notation written on mail that is to be held at the post office until called for (not in the United States or Canada)
Wikipedia
Poste restante (, "remainder post") or general delivery is a service where the post office holds mail until the recipient calls for it. It is a common destination for mail for people who are visiting a particular location and have no need, or no way, of having mail delivered directly to their place of residence at that time.
Usage examples of "poste restante".
I consoled myself with the thought that there was nothing illegal in using a poste restante address.
He had checked his poste restante box and found Shannon's telegram waiting for him.
But I did keep the second one -- the one that gave the poste restante address.
Here a poste restante pigeon-hole was nerved in the name of one Poitiers.
All mail for the top men of the OAS was addressed to Poitiers, and was kept by the clerk on duty at the poste restante counter.
Not that I spent much time in the mosque but I thought I had made a major error when I entered the post office for the first time to collect letters from poste restante.