sheeptick

[sheep-tik] /ˈʃipˌtɪk/
noun
1.
a wingless, bloodsucking, dipterous insect, Melophagus ovinus, that is parasitic on sheep.
Also, sheep tick.
Also called ked, sheep ked.
Origin
1375-1425; late Middle English scheptyke; see sheep, tick2
British Dictionary definitions for sheep tick

sheep ked

noun
1.
a wingless dipterous fly, Melophagus ovinus, that is an external parasite of sheep: family Hippoboscidae

sheep tick

noun
1.
a tick, Ixodes ricinus, that is parasitic on sheep, cattle, and man and transmits the disease louping ill in sheep
2.
another name for sheep ked