... and as you may be feeling crapulent, it is possibly time to talk about "vomitorium".*
Aldous Huxley (he of "Brave New World") had it both right and wrong:
The Romans did have vomitoriums. His assertion that they were used for vomiting is, however, completely an invention all of his own making. He mentions it in his 1923 novel "Antic Hay" and the story took off from there.
A vomitorium is a passageway - usually in a theatre or amphitheatre - from whence people spew forth. Sometimes they are used as an entrance to the arena, but they are also used as an exit from the theatre. Wikipedia has a good illustration
When we went to the Roman site at Sanxay I was pathetically excited to be able to stand in a vomitorium. I even took a photo.
You can see the corrresponding vomitorium on the other side of the arena as well.
In this photo you can see the vomitorium (on the left) just where the terracing begins. I'm not sure what the rebuilt doorway on the right is all about
*true wordlovers will notice I managed to squeeze in two words people could possibly misconstrue. I do smug, occasionally. S