athlete's heart

or athletic heart


noun

nonpathological enlargement of the heart resulting from intensive aerobic exercise.

Nearby words

  1. athetosis,
  2. athirst,
  3. athleisure,
  4. athlete,
  5. athlete's foot,
  6. athletic,
  7. athletic heart,
  8. athletic shoe,
  9. athletic support,
  10. athletic supporter

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