noun
sick dog; rabid dog
Refers to a dog that is ill, especially one with rabies. The term is straightforward and not particularly common in everyday conversation, but may appear in veterinary or literary contexts.
村で病犬が見つかり、住民は警戒した。
A rabid dog was found in the village, and the residents were on alert.
病犬を保護して獣医に連れて行った。
I rescued the sick dog and took it to the vet.