a list of the names and addresses of people who are regularly sent information, advertising material, etc. by an organization
Example:
- I am already on your mailing list.
Extra examples:
- We're on the mailing list for the Film Centre.
- Why not join our free mailing list?
- a mailing list for primary teachers
a list of names and email addresses kept on a computer so that you can send a message to a number of people at the same time