louping ill: Meaning and Definition of

loup'ing ill'

Pronunciation: (lou'ping, lō'-, l'-), [key]
— Vet. Pathol. Vet. Pathol.
  1. an acute viral disease of sheep affecting the nervous system, transmitted by a tick.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.