WordReference Random House Learner's Dictionary of American English © 2025
mail•er /ˈmeɪlɚ/USA pronunciation
n. [countable]a special envelope designed to prevent damage to its contents.
WordReference Random House Unabridged Dictionary of American English © 2025- one who sends mail.
mail•er
(mā′lər),USA pronunciation n.
Mail•er (mā′lər),USA pronunciation n.
- a person who mails or prepares material for mailing.
- a container, as a mailing tube or protective envelope, for mailing papers, books, merchandise, etc.
- an advertising brochure, form letter, or the like, sent out in the mail.
- See mailing machine.
- [Archaic.]a mailboat.
- mail1 + -er1 1880–85, American.
Mail•er (mā′lər),USA pronunciation n.
- Biographical Norman, born 1923, U.S. writer.
'mailer' also found in these entries (note: many are not synonyms or translations):