jumping jack Hear it!

jumping jack definition

jumping jack

  1. a child's toy consisting of a little jointed figure made to jump or dance by pulling a string or pushing an attached stick
  2. a form of exercise in which one jumps from a standing position, with the feet together and the arms at the sides, to a position in which the feet are apart and the hands touch overhead, and then jumps back again: usually used in pl.

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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