Sphaeristerium
Sphaeristerium is a term in Classical architecture given to a large open space connected with the Roman thermae for exercise with balls after the bather had been anointed. They were also provided in Roman villas.
Sports
Image:Pallone col bracciale.jpg|right|thumb|Sferisterio delle Cascine at Florence, 19th centuryIn Italian sferisterio is nowadays the courtfield for tamburello and two different pallone varieties: pallone col bracciale and pallone elastico. These are rectangular smooth grounds with a high wall on one of the long sides. Sizes change depending on the variety: wide and long for the pallone col bracciale, and and for the pallone elastico.