تعريف jumping-jack في الإنجليزية الإنجليزية القاموس.
A toy figure with jointed limbs that can be made to dance by pulling an attached string
I have a jumping-jack! came from Freddie, and he began to work the toy up and down in a most comical fashion.
A physical exercise performed by jumping to a position with the legs spread wide and the hands touching overhead and then returning to a position with the feet together and the arms at the sides