Lewis Short
(adjective) = γυμναστικός: gymnastĭcus, a, um
* Of or belonging to bodily exercise, gymnastic (Plautinian, for which Cic. uses gymnicus): pro exercitu gymnastico et palaestrico hoc habemus,Plaut. Rud. 2, 1, 7: arte gymnastica, disco, hasta, pila,id. Most. 1, 2, 72 (a spurious line).
Charlton T. Lewis, Charles Short, A Latin Dictionary