From Longman Dictionary of Contemporary Englishpostmanpost‧man /ˈpəʊstmən $ ˈpoʊst-/ noun (plural postmen /-mən/) [countable] British EnglishTCMBO someone whose job is to collect and deliver letters SYN mailman American English
Examples from the Corpus
postman• It may be said that this is not imagining the activity of a postman at all.• But surely the activity of a postman in such a void would be utterly futile and valueless.• Changes at sorting and post offices would affect postmen, sorters, engineers, drivers and managers, they said.• Typical examples are attacks on postmen or aggression towards an owner when a toy or other item is removed from them.• If it is the postman, introduce them; let him know this man represents no threat. 