1
- of, relating to, or resembling a dog or dogs（与）犬（有关）的; 似犬的：
canine behavioural problems.
犬类行为问题。
1.1
- Zoology of or relating to animals of the dog family【动】（与）犬科动物（有关）的, 犬的。
词源
late Middle English (in sense 2)： from French， from Latin caninus, from canis 'dog'.