Zool. [ad. mod.L. cœnūrus (more common than the Eng. form), f. Gr. κοιν-ός common + οὐρά tail, so called from the single body with many heads.] The ‘many-headed bladder-worm’; the hydatid that produces the disease called staggers in sheep; it is the cystic stage or larva of Tœnia cœnurus, one of the tapeworms of the dog.
1847. Craig, Cœnure … Hydatides which infest the brain of sheep.
1876. Beneden’s Anim. Parasites, 99. The Cœnurus of the sheep causes giddiness, and becomes fatal to the animal which harbours it.
1888. Rolleston & Jackson, Anim. Life, 326. There are 300 to 400 heads in Coenurus.
