blue tongue


noun Veterinary Pathology.
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.
Also called catarrhal fever.

1860–65; blue + tongue Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
bluetongue1 (ˌbluːˈtʌŋ)
an Australian lizard, Tiliqua scincoides, having a cobalt-blue tongue

bluetongue2 (ˌbluːˈtʌŋ)
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 10th Edition
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