No, Vomitoriums Aren’t Rooms for Puking
As much as it might strain your logical reasoning, a vomitorium isn’t the name for the co-ed bathroom of Club Twerkolate at 4 a.m. The word has nothing to do with vomiting, either from YOLO excess or Yersinia enterocolitica (the hideous unpronounceable bacteria in bad meat).
Vomitoriums (actually vomitoria for more than one) were amphitheater passageways in Ancient Rome. You might be surprised to learn there are quite a few of these not-so-nasty words that are desperate for some redemption.