calisthenics (chiefly US) noun
or British callisthenics /ˌkæləsˈθɛnɪks/ calisthenics (chiefly US)
noun
or British callisthenics /ˌkæləsˈθɛnɪks/ Learner's definition of CALISTHENICS
[plural]
: physical exercises that are done without special equipment健美体操;健身操 — calisthenic
(chiefly US) or British callisthenic /ˌkæləsˈθɛnɪk/ adjective