From Longman Dictionary of Contemporary Englishmail carrierˈmail ˌcarrier noun [countable] American English old-fashionedTCMBO someone whose job is to deliver mail SYN mailman
Examples from the Corpus
mail carrier• But be assured, most people carry more writing-related baggage than a mail carrier does letters.• All told, I counted about 200 catalogs that my overburdened mail carrier had to tote and deliver during the Christmas season. 