jumping jack

noun

Definition of jumping jack

1 : a conditioning exercise performed from a standing position by jumping to a position with legs spread and arms raised and then to the original position

2 : a toy figure of a man jointed and made to jump or dance by means of strings or a sliding stick

Examples of jumping jack in a Sentence

We did a few jumping jacks to warm up.

Recent Examples on the Web

Officers didn’t appear to hold major drills on Saturday, but could be seen doing jumping jacks and stretching inside a sports stadium. — Washington Post, "Hong Kong’s divide: Protests for democracy, rally for China," 17 Aug. 2019 Children counting off each punch, kick and jumping jack. — Lilly Nguyen, Daily Pilot, "Taekwondo summer camp kicks its way into Costa Mesa," 24 July 2019 Fifteen jumping jacks are followed by 10 leg lifts. — Mike Candelaria, OrlandoSentinel.com, "Got 5 minutes? You have time to exercise," 11 July 2018 Wear safety glasses Safety glasses can save your eyes when sparks shoot around and jumping jacks fly into the air. — Joshua Trudell, ajc, "10 ways to enjoy Fourth of July fireworks safely," 27 June 2018 If you're amped: A D.I.Y. BOOT CAMP Perform each of the following exercises for one minute, then rest for a minute, and repeat the series twice more: jumping jacks, lunges across the living room floor, push-ups, squats, and a plank. — Redbook, "How to Streamline Your Weekday Mornings, Start to Finish," 5 Sep. 2012 Spades equaled squats, Clubs meant crunches, Diamonds for jumping jacks and Hearts for pushups. — Michael Candelaria, OrlandoSentinel.com, "Orlando man loses 60 pounds with the help of a deck of cards," 9 Mar. 2018 If one recruit failed at a task, we were collectively punished with a brutal circuit of push-ups, jumping jacks, and burpees, incentivizing us to figure out how to work together more efficiently and to hold each other accountable. — Tyler Bonin, The Atlantic, "Teachers Are Not Soldiers," 3 Mar. 2018 Try jumping jacks, jogging in place, squats, crunches, marches or lunges. — Jenny Crouse, Milwaukee Journal Sentinel, "3-2-1-0: Blast off to a healthier new year for your family!," 13 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'jumping jack.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.