A square or marketplace in a Roman town, used for public business and commerce.
A gathering for the purpose of discussion.
A place for discussion.
An Internet message board where users can post messages regarding one or more topics of discussion.
A form of discussion involving a panel of presenters and often participation by members of the audience.
The buildings forming the border of such a courtyard.
A geometric shape with four angles and four straight sides; a four-sided polygon.
A courtyard which is quadrangular.