Definition of louping-ill in English:

louping-ill

noun

  • [mass noun] A viral disease attacking animals, especially sheep, which is transmitted by ticks and causes staggering and jumping.

    • ‘This includes a blood-borne virus called louping-ill which is 80 per cent fatal to birds and found on the North York Moors.’

Origin

Late Middle English: from loup (because of the symptom of spasmodic jumping) + the noun ill.

Pronunciation:

louping-ill

/ˈlaʊpɪŋɪl/