Sheep-tick

1 definition found

From WordNet (r) 2.0 [wn]:

  sheep-tick
       n 1: wingless fly that is an external parasite on sheep and
            cattle [syn: {sheep ked}, {sheep tick}, {Melophagus
            Ovinus}]
       2: parasitic on sheep and cattle as well as humans; can
          transmit looping ill in sheep (acute viral disease of the


          nervous system); a vector for Lyme disease spirochete
          [syn: {sheep tick}, {Ixodes ricinus}]