jumping jack
The term "jumping jack" can refer to a popular physical exercise, a toy figure, or a compacting machine, each with distinct uses and contexts.
Definition
A2Fitness
(common, informal)A physical exercise where one jumps to spread the legs and raise the arms overhead, then returns to the initial position.
Example
- Jumping jacks are a great way to start your workout and get your heart rate up.
B2Toys
(dated)A jointed figure that moves by pulling strings or a lever, often resembling a person.
Example
- The antique store had a collection of old jumping jack toys.
C1Construction
(technical)A machine that vibrates forcefully to compact the ground, often used in construction.
Example
- The workers used a jumping jack to compact the soil before laying the foundation.
Similar
Terms that have similar or relatively close meanings to "jumping jack":
frog jumpjump aboutjump ropejump aroundmonkey jackjack intojack aroundjack indouble jumpjump upon the jumppump and jumpskip ropelong jumphippy jumpthree-cornered jackskipping ropebunny hoprocket jumpjump boxjumping wormbunny hopperkite jumpingtriple jumpjump on