From Longman Dictionary of Contemporary Englishpost officeˈpost ˌoffice ●●● S3 noun 1 [countable]TCM a place where you can buy stamps, send letters and packages etc2 → the Post Office
Examples from the Corpus
post office• In the present case a post office worker sustained an injury on his left shin.• You take your map in your hand and try to find the most central position - the town hall or post office.• You could save money at the post office then.• On past evidence like the post office closures, changes to education are likely to be draconian.• People coming to the post office to pick up their mail had to wait up to six hours.• She did not go to the post office the next evening or the next.• Hurrying to the post office, she checked the telephone listings for a de Courmont agency.Post Office, thethe Post OfficePost Office, the the government organization responsible for the mail in the UK. The Post Office also manages the payment of state pensions and social security payments. Its official name is the Roysl Mail.From Longman Business Dictionarypost officeˈpost ˌoffice noun [countable]1a place where you can buy stamps, send parcels etcCustomers have complained about the length of time spent queuing at their local post office.2the Post Office the national organization in several countries, including Britain, responsible for collecting and delivering letters, parcels etcThe Canadian Post Office had only a 4% market share for international deliveries. 