forum
fo.rum \'fo-r-*m, 'fo.r-\ \-*\ n or forums also fo.ra [L; akin to L foris outside, fores door - more at DOOR] pl 1a: the marketplace or public place of an ancient Roman city forming the ce nter of judicial and public business 1b: a public meeting place for open discussion 1c: a medium of open discussion 2: a judicial body or assembly : COURT 3a: a public meeting or lecture involving audience discussion 3b: a program (as on radio or television) involving discussion of a problem usu. by several authorities
Webster's English Dictionary