letter carrier

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A person, especially a postal worker, who delivers mail. Also called mail carrier.

Century Dictionary and Cyclopedia

1. n. A man who delivers or collects letters in postal service; a postman.

Wiktionary

1. n. An employee of the post office who delivers mail (post) to, and collects it from, a residence or business, or from public mailboxes.

GNU Webster's 1913

1. n. a person who carries letters; a postman; specif., an officer of the post office who carries letters to the persons to whom they are addressed, and collects letters to be mailed.

WordNet 3.0

1. n. a man who delivers the mail