WordNet
n. (gymnastics) an exercise designed to develop and display strength and agility and balance (usually performed with or on some gymnastic apparatus)
Usage examples of "gymnastic exercise".
This done, instead of leaving the door fastened, he drew back the bolts and even placed the door ajar, as though he had left the room, forgetting to close it, and slipping into the chimney like a man accustomed to that kind of gymnastic exercise, having effaced the marks of his feet upon the floor, he commenced climbing the only opening which afforded him the means of escape.
One half of it--that moiety in which the comfortable proprietress was then seated--was carpeted, and so partitioned off at the further end as to accommodate a sleeping-place, constructed after the fashion of a berth on board ship, which was shaded, like the little windows, with fair white curtains, and looked comfortable enough, though by what kind of gymnastic exercise the lady of the caravan ever contrived to get into it, was an unfathomable mystery.