Dictionary.com
Thesaurus.com

Swiss ball

British  

noun

  1. a very large inflatable ball made of strong elastic rubber, used for physical exercise and in physiotherapy

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Perhaps try a standing desk, a different chair or even a Swiss ball.

From BBC

I do planks and rotational exercises with medicine balls and kettle bells on a Swiss ball.

From Los Angeles Times

Lie face up on a Swiss ball with the neck and shoulder blades resting on the ball’s center, knees bent and feet flat on the floor.

From Time

Oh, you're able to squat 300 pounds while standing on a swiss ball?

From US News

If you really want to kick it up a notch, try switching out the bench for a Swiss Ball and get some more stabilizers involved!

From Time