a public building of ancient Rome having a central nave with an apse at one or both ends and two side aisles formed by rows of columns,which was used as a courtroom or assembly hall

• 长方形廊柱大厅，古罗马的一种公共建筑，中央有一个正厅，在一边或两边的末端和两边的通道是由几排柱子分隔的半圆形室，它曾用作法庭或公众集会的场所