a viral disease of sheep and sometimes cattle, transmitted by biting insects and characterized by high fever, excessive salivation, swelling of the face and tongue, and cyanosis of the tongue.
Main Entry: blue·tongue Pronunciation: 'blü-"t&[ng] Function: noun : a virus disease especially of sheep that is caused by an orbivirus andis characterized by hyperemia, cyanosis, and by swelling and sloughing of the epithelium especially about the mouth and tongue called also soremuzzle
[bloo-tuhng] 