self-mail·​er ˌself-ˈmā-lər How to pronounce self-mailer (audio)
: a folder that can be sent by mail without enclosure in an envelope by use of a gummed sticker or a precanceled stamp to hold the leaves together

Word History

First Known Use

1915, in the meaning defined above

Time Traveler
The first known use of self-mailer was in 1915

Dictionary Entries Near self-mailer

Cite this Entry

“Self-mailer.” Dictionary, Merriam-Webster, Accessed 4 Dec. 2023.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!