A communal pool of mineral enriched thermal water with underwater seating.
A hot whirlpool with benches - usually accommodating more than one person.
a bathroom constructed to resemble the public baths of ancient Rome, usually there is a large sunken tub and a use of marble or marble-like tiles as the principle covering of the floors, vanities, etc.
Ancient Romans had numerous baths that were used alternately; hot, warm and cold. The varying temperatures aided in stimulating the circulatory system.
The modern day equivalent of a Roman Bath, usually comprises of a Jacuzzi style bath, a whirlpool and a group of other pools maintained at different temperatures.
Traditionally, a series of hot, warm, and cold pools, but today used to refer to a hot whirlpool or Jacuzzi with benches.
Traditionally a series of hot warm and cold pools but the term is now used with reference to a whirlpool or Jacuzzi with benches.