Poste restante is a service holding letters at a post office for a traveller. Send it poste restante.
It was how anybody travelling for months received post before email existed. Letters sent poste restante are held for a limited period and then returned.
1nounposte restanteA service holding letters at a post office for a traveller.
“Three letters were waiting poste restante when he finally arrived.”
poste restante is a service.
French poste restante means post remaining, since the letters stay at the office until called for.
French
poste restante
English, today
poste restante
Borrowed from French poste restante.
Etymology from Wiktionary, CC BY-SA
Practised in Bank & Post Office