Meaning of the word mailer in English

What does mailer mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

mailer

US /ˈmeɪ.lər/
UK /ˈmeɪlər/

Noun

1.

a person or thing that mails something

Example:
The company uses an automated mailer to send out invoices.
The direct mailer campaign generated a lot of new leads.
2.

a piece of promotional material sent by mail

Example:
We received a colorful mailer advertising a new restaurant.
The marketing team designed an effective mailer for the upcoming sale.