newsgroup

/ˈnuzˌɡrup/
noun
  1. An online discussion forum where people can post messages and reply to others about a specific topic, part of the Usenet system.
    • She posted a question in the gardening newsgroup and got helpful replies within hours.
    • He joined a newsgroup about vintage cars to share photos and ask for advice.
    • The newsgroup for science fiction fans had thousands of active members.
Synonyms
What does "newsgroup" mean? | whatsthatwordmean | whatsthatwordmean