1(main) hall
2large room for a specific purpose
3of the same clan
4classifier for classes, lectures etc
5classifier for sets of furniture
6relationship between cousins etc on the paternal side of a family
Examples
yǒu有gè个péng you朋友zhèng zài正在dà大táng堂děng等wǒ我。
有个朋友正在大堂等我。
I have a friend waiting for me in the lobby.
他必须上两堂理化课。
He has to take two science classes.
我去年上了一堂艺术课。
I took an art class last year.