poste restante pos·te·res·tante uncommon noun 1. a part of the post office that handles mail for persons who call for it Synonymsgeneral deliveryposte restante 2. a notation written on mail that is to be held at the post office until called for (not in the United States or Canada) Synonymsposte restante Related words Broader terms noteunit Parts post office WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.