grass sickness

noun
\ ˈgras-ˌ How to pronounce grass sickness (audio) \

Medical Definition of grass sickness

: a frequently fatal disease of grazing horses of unknown cause that affects gastrointestinal functioning by causing difficulty in swallowing, interruption of peristalsis, and fecal impaction

called also grass disease

Learn More about grass sickness

Cite this Entry

“Grass sickness.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/grass%20sickness. Accessed 7 Aug. 2020.

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