Artificial intelligent assistant

sheep's tick

ˈsheep-tick, sheep's tick
  [See tick n.1 and cf. WFris. skieppetyk, G. schafzeecke, schafstieke.]
  A horny, bristly, wingless fly, Melophagus ovinus, which infests sheep, embedding its head in the skin and extracting the blood. Also = sheep-louse.

c 1425 Voc. in Wr.-Wülcker 642/37 Hec amittena, schep⁓tyke. 1598 Mucedorus ii. iv. 68 Ama. The shepheards force would haue saued thousands more. Clo. Aye, shipstickes, nothing else. 1668 Charleton Onomast. 49 Reduvius, the Sheeps Teek. 1837 Youatt Sheep 544 The sheep-tick..propagates with much rapidity, although not to be compared with the sheep-louse. 1844 H. Stephens Bk. Farm III. 1109 Sheep are affected by a troublesome insect, the keb or ked, or sheep-tick.

Oxford English Dictionary

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