'Heaves' definitions:

Definition of 'heaves'

From: WordNet
noun
A chronic emphysema of the horse that causes difficult expiration and heaving of the flanks [syn: heaves, broken wind]

Definition of 'Heaves'

From: GCIDE
  • Heaves \Heaves\, n. A disease of horses, characterized by difficult breathing, with heaving of the flank, wheezing, flatulency, and a peculiar cough; broken wind. [1913 Webster]