mailer: Meaning and Definition of

mail•er

1. a person who mails or prepares material for mailing.
2. a container, as a mailing tube or protective envelope, for mailing papers, books, merchandise, etc.
3. an advertising brochure, form letter, or the like, sent out in the mail.
4. See
5. a mailboat.

Mail•er

1. born 1923, U.S. writer.