Natatorium
EXCAVATION OR CONTAINMENT STRUCTURE FILLED WITH WATER AND USED FOR SWIMMING
Paddling pool; Natatoria; Natatorium; Swimming Pool; Swimming pools; Swimming-pool; Wading pool; Swimming bath; Zero-entry swimming pool; Zero-entry; Above-ground swimming pool; Swimming Hall; Pool safety alarm; Pool safety alarms; Beach entry; Beach entry swimming pool; Zero entry; Cement pond; Spa pool; Pool side; Swiming pools; Swimming baths; Above Ground Pools; Public pool; Public pools; Private pool; Private pools; Indoor pool; Indoor pools; Terrace pools; Terrace pool; Hydrotherapy pool; Toddler pool; Kiddie pool; Zero depth entry; Lap pool; Public swimming pool; Inflatable pool; Paddling Pool; Ocean pool; Above ground pools; Pool (swimming); Training pool; Children's pool; Swimming hall
An indoor pool (sometimes called an indoor swimming pool and rarelyNot even mentioned in some dictionaries, for example the Macmillan Dictionary a natatorium)Ngram Viewernatatorium - definition of natatorium by the Free Online Dictionary, Thesaurus and Encyclopedia is a building or room containing a swimming pool.