Jumping jack

noun

Definitions

Noun
  1. 1
    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.
  2. 2
    plaything consisting of a toy figure with movable joints that can be made to dance by pulling strings wordnet
  3. 3
    A machine, roughly the size of a three-year-old child, the foot of which vibrates forcefully, causing it to "jump" rapidly, pounding the ground to compact it.
  4. 4
    A toy figure of a person with jointed limbs that can be made to appear to dance or jump by pulling an attached string. dated

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