From Longman Dictionary of Contemporary Englishmailmanmail‧man /ˈmeɪlmæn/ noun (plural mailmen /-men/) [countable] American English TCMBOsomeone who delivers letters and packages to people’s houses SYN postman British English
Examples from the Corpus
mailman• The second man was a mailman, he said, and he looked nervous and pale.• After Primo bends down and scratches her head, she walks over to the mailman and sniffs his foot.• Lady wags her tail and stretches the leash toward the mailman.• On one of his trips down to the van he stopped to watch the mailman fill the boxes. 