message board
noun1
A board on which messages may be posted, especially one in a public space.
2
Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences Internet A system by which users may send, read and reply to public messages; an electronic bulletin board or forum.
- He busted in, blessed be the Lord / Who believe any mess they read up on a message board2004, MF DOOM, “Vomitspit”, in MM..FOOD:
3
A communication board.
- Disabled lesbian spells out 'I love you' on message board.1989 February 12, Chris Bull, “Thompson Visits Kowalsky”, in Gay Community News, volume 16, number 30, page 1: