mailers

Noun

mailer (plural mailers)

1. One who sends mail.
   • Large and frequent mailers may send material on a monthly basis to their house lists, test acquisitions several times a year to drum up new donors, and perhaps do a few special appeals on top of that.2009, Robert Bly, 88 Money-Making Writing Jobs, page 133
2. A computer program that sends electronic mail.
3. A packet or container designed for postal use.
   • The cassette came in a brown paper mailer.
4. A mailshot; advertising sent by mail.
   • Lasky Co., Newark (N. J.) printer, has been using a direct-mail campaign slanted toward this problem. Latest mailer, an oversized post card, has on the address side a colorful drawing of a bird perched on top of a sign post.1957, Printers' Ink, volume 260, page 43

See all 5 meanings of mailer