![cross-posting cross-posting](https://www.tekportal.net/wp-content/uploads/2018/11/cross-posting.jpg)
noun Digital Technology.
- the act of posting the same message to two or more message boards or electronic mailing lists at the same time.
verb (used with or without object)
- to post (the same message) to two or more message boards or electronic mailing lists at the same time.
noun
- a message posted to two or more message boards or electronic mailing lists at the same time: Cross-posts are often greeted with hostility.