- (used with a singular or plural verb) calisthenics.
- (used with a plural verb) gymnastic exercises designed to develop physical health and vigor, usually performed with little or no special apparatus.
- (used with a singular verb) the art, practice, or a session of such exercises.
- (functioning as plural) light exercises designed to promote general fitness, develop muscle tone, etc
- (functioning as singular) the practice of callisthenic exercises
- a variant spelling (esp US) of callisthenics
1847 (calisthenic (adj.) is from 1839), formed on model of French callisthenie, from Latinized comb. form of Greek kallos “beauty” + sthenos “strength” + -ics. Originally, gymnastic exercises suitable for girls and meant to develop the figure and promote graceful movement. The proper Greek, if there was such a word in Greek, would have been *kallistheneia.
- Gymnastic exercises, such as sit-ups, designed to develop muscular tone and promote physical fitness.