Greek wrestling school

• Old Greek gymnasium (var.)
• Athletic training site, in Greek antiquity
• Ancient gymnasium
• Gymnasium for Spartan wrestlers
• Piano star drunk on beer, where classical training took place
• Gymnasium or stadium

Wiktionary Word definitions in Wiktionary
n. (alternative form of palaestra English)

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
early 15c., from Old French palestre (12c.), from Latin palaestra , from Greek palaistra "gymnasium, public place for exercise," originally "wrestling school," from palaiein "to wrestle" (of unknown origin) + -tra , suffix denoting place.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Palestra \Pa*les"tra\, n.; pl. L. Palestr[ae] , E. Palestras . [NL., fr. L. palaestra, Gr. ?, fr. ? to wrestle.] [Written also pal[ae]stra .] (Antiq.) A wrestling school; hence, a gymnasium, or place for athletic exercise in general. A wrestling; the exercise ...