/skray"pee, skrap"ee/ , n. Vet. Pathol.
an infectious, usually fatal brain disease of sheep, characterized by twitching of the neck and head, grinding of the teeth, and scraping of itching portions of skin against fixed objects with a subsequent loss of wool: caused by an unidentified sticky agent that clings to cell membranes.
[ 1905-10; SCRAPE + -IE ]