Word.ws English Dictionary

bosu ball

/ˈboʊsu ˌbɔl/

bosu ball noun: a piece of exercise equipment with an inflated rubber dome attached to a rigid flat platform, used for balance training, strength exercises, or rehabilitation.

bosu ball: a piece of exercise equipment with an inflated rubber dome attached to a rigid flat platform, used...
Image: www.localfitness.com.au, CC BY-SA 3.0, via Wikimedia Commons

Noun

bosu ball (plural bosu balls)

  1. A piece of exercise equipment with an inflated rubber dome attached to a rigid flat platform, used for balance training, strength exercises, or rehabilitation.
    • The Bosu ball is essentially a Swiss ball chopped in half and mounted upon a flat board, creating a non-stable yet not particularly threatening environment. The balance or core board is another destabilizing device that could also be used.2004, Thomas Boettcher, Core Training: For Greater Strength and Better Health, Sterling Publishing Company, Inc., →ISBN, page 68
    • Then you are an idiot who will always have stork limbs and a flabby body. Get back on your bosu ball. More protein won’t help this guy!!2016 December 14, “Protein”, in Ultimate Performance Blog, archived from the original on 26 Jul 2021

Forms of bosu ball

pluralbosu balls
alternative formBosu ball
alternative formBOSU ball
alternative formBosu trainer

Origin of bosu ball

Partial genericized trademark from BOSU, an acronym for "Both Sides Utilized" describing the two usable surfaces (a flat platform and inflated dome) of products like the BOSU Balance Trainer, plus ball.

Questions about bosu ball

What does bosu ball mean?
Bosu ball means a piece of exercise equipment with an inflated rubber dome attached to a rigid flat platform, used for balance training, strength exercises, or rehabilitation.
What part of speech is bosu ball?
Bosu ball is a noun.
How do you pronounce bosu ball?
Bosu ball is pronounced /ˈboʊsu ˌbɔl/.
What is the plural of bosu ball?
The plural of bosu ball is bosu balls.

Words near bosu ball in the dictionary

  1. Boströmian
  2. bosts
  3. Bostwick
  4. bostwickite
  5. Bostwicks
  6. bosu ball
  7. bosu balls
  8. bosun
  9. bosun's chair
  10. bosun's chairs
  11. bosuns

Source and license

Adapted from Wiktionary: bosu ball (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “bosu ball.” Word.ws, https://word.ws/bosu_ball. Based on Wiktionary, CC BY-SA 4.0.