mailing
noun [ C ]
COMMUNICATIONS, MARKETING uk/ˈmeɪlɪŋ/ us (UK also mailout); (UK also mailshot)
the act of sending letters, packages, or electronic messages to a lot of people at one time:
If you received a mailing of a 38-page brochure, it's because you signed up at one of our stores.
A second mailing had a big impact on increasing return rates.
US (UK mailshot)
a paper advertisement sent to homes or businesses:
I've got 1,500 mailings that have to get out before the evening post.
See also
direct mailing
mailer
mass mailing