palaestra
Concise Oxford English Dictionary © 2008 Oxford University Press:
palaestra /pəˈliːstrə, -ˈlʌɪstrə/ (also palestra)
▶noun (in ancient Greece and Rome) a wrestling school or gymnasium.
– origin via L. from Gk palaistra, from palaiein ‘wrestle’.
'palaestra' also found in these Oxford entries:

