You searched for: “hydrogymnasia
hydrogymnasium (s) (noun), hydrogymnasia (pl)
A therapeutic pool or special physical treatment or exercises that are done in a swimming pool or a special pool of water: Mrs. Smith had such bad back problems that her doctor told her to participate in a swimming class at the hydrogymnasium where the swimming teachers could help her train in water so she could recover from her aching back.
This entry is located in the following units: gymno-, gymn- (page 3) hydro-, hydra-, hydr-, hyd- (page 7)