exercise ball


noun

a firm, very large, usually inflatable ball used in various exercises, chiefly to strengthen the back, pelvis, and abdominal muscles.

Nearby words

  1. exenteritis,
  2. exequatur,
  3. exequies,
  4. exequy,
  5. exercise,
  6. exercise bicycle,
  7. exercise bike,
  8. exercise book,
  9. exercise machine,
  10. exercise physiology

Also called stability ball, balance ball, fitness ball.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019