noun
mailer
MAY-luh
noun
1
A piece of advertising or promotional material sent by post or email.
"We got another mailer from the gym trying to win back lapsed members."
2
A software program that sends email.
"The server runs an automated mailer to send order confirmations."
3
A padded envelope or package designed for posting items safely.
"She packed the necklace in a small padded mailer."
How to Use Mailer
Learner’s notesIn plain EnglishSomething used to send mail — a mass advertisement, a mailing envelope, or a program that sends emails automatically.
Common pairings
a promotional mailer
padded mailer
automated mailer
Word Forms
mailers plural
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We got another _____ from the gym trying to win back lapsed members.
Etymology
From mail + -er.