slimnastics en · NOUN
Etymology
Blend of slim + gymnastics.
Meanings
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(uncountable) A form of athletic exercise intended to promote weight loss.
The more aesthetic want no part of slimnastics but want to express themselves in movement provided by Mime and Movement or Modern Dance classes.
1952, Sara A. Bruce, “The YWCA in the Nation's Capital”, in Journal of Health, Physical Education, Recreation: