Medical Dictionary
blacktongue
noun black·tongue \ˈblak-ˌtəŋ\
Medical Definition of BLACKTONGUE
2
: a disease of dogs that is caused by a deficient diet and that is identical with pellagra in humans
Seen & Heard
What made you want to look up blacktongue? Please tell us where you read or heard it (including the quote, if possible).