concourse
n
1 open area forming part of a building or large complex, where people may walk about 宽敞的大厅; 广场
The ticket office is at the rear of the station concourse, ie its main hall. 售票处在车站大厅的後部.
2 (fml 文) gathering of people or things; crowd (人或事物的)聚集, 汇集; 群众
a vast concourse of pilgrims 大群的朝圣者.