 Romans cooled off in the frigidarium. Frigidarium You have already taken a warm bath in the tepidarium and a hot one in the caldarium, and may even have stopped in other sauna-like rooms. Now it's time to close all the skin pores that have been opened. You can do this by plunging into the frigidarium's cold waters. The dip is meant to refresh and is often the final bath of a visitor. |