Gym-nā'ṣi-um, n.
(Synop., § 130), n.; pl. GYM-NĀ'ṢI-A. [Lat. gymnasium, Gr. γυμνάσιον, from γυμνάζειν, to exercise; γυμνός, naked; Fr. gymnase, It. ginnasio.]
Sense 1. A place where athletic exercises are performed.
Sense 2. A school for the higher branches of literature and science; a school secondary to the university or college. “More like ordinary schools of gymnasia than universities.” Hallam.