- Also called catarrhal fever.
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British Dictionary definitions for bluetongue (1 of 2)
an Australian lizard, Tiliqua scincoides, having a cobalt-blue tongue
British Dictionary definitions for bluetongue (2 of 2)
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012