Definitionen
1.NounA place for discussion.
2.NounA gathering for the purpose of discussion; a symposium.
3.NounA form of discussion involving a panel of presenters and often participation by members of the audience.
4.NounAn Internet message board where users can post messages regarding one or more topics of discussion."Trish was an admin on three forums, and had no trouble at all when it came to moderating them."
5.NounA square or marketplace in a Roman town, used for public business and commerce.