noun
: a European fly of the genus Musca ( M. autumnalis ) that is similar to the housefly, is widely established in North America, and causes distress to livestock by clustering about the face
noun
: a European fly of the genus Musca ( M. autumnalis ) that is similar to the housefly, is widely established in North America, and causes distress to livestock by clustering about the face
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012