postal

Từ điển Oxford Advanced Learner 8th

pos·tal [postal postals] BrE [ˈpəʊstl] NAmE [ˈpoʊstl] adjective only before noun
1. connected with the official system for sending and delivering letters, etc
•your full postal address
•the postal service/system
•postal charges
2. (especially BrE)involving things that are sent by post
•postal bookings
Idiom: ↑go postal

Word Origin:
mid 19th cent.: from French, from poste ‘postal service’.