noun
: a tick that transmits the rickettsia of Rocky Mountain spotted fever ; especially : a common tick ( Dermacentor venustus ) of western No. America
noun
: a tick that transmits the rickettsia of Rocky Mountain spotted fever ; especially : a common tick ( Dermacentor venustus ) of western No. America
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012