[American dog tick] n (1927): a common No. American ixodid tick (Dermacentor variabilis) esp. of dogs and humans that is an important vector of Rocky Mountain spotted fever and tularemia--called also dog tick
AMERICAN DOG TICK
Meaning of AMERICAN DOG TICK in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012