natatorium
/ˌneɪtəˈtɔːrɪəm
/noun North American
A swimming pool, especially one that is indoors.The air temperature inside the largest natatorium ever built for swimming is a constant 79 degrees Fahrenheit....
- It is the Olympic finals and the natatorium has fallen silent as everyone leans forward in hushed anticipation.
- If energy were a paint, the walls of the natatoriums where she swims would be splattered.
Origin
Late 19th century: from late Latin, neuter (used as a noun) of natatorius 'relating to a swimmer', from natare 'to swim'.