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A viral disease of sheep and cattle that is transmitted by biting insects and is characterized by fever, the formation of oral lesions, and swelling and cyanosis of the lips and tongue.
(Animals) an Australian lizard, Tiliqua scincoides, having a cobalt-blue tongue
(Veterinary Science) vet science a viral disease of domestic and wild ruminants transmitted by arthropods and characterized by reproductive problems or vasculitis. Sheep, which are most frequently affected, develop swelling of the face and a cyanotic tongue
a viral disease of sheep and cattle, transmitted by biting insects, characterized by high fever and a swollen, cyanotic tongue.