noun
pet dog; companion dog; non-sporting dog
Refers to dogs kept primarily for companionship rather than work or sport. In dog show contexts, it can correspond to the 'non-sporting' group.
愛玩犬としてチワワを飼っている。
I keep a Chihuahua as a pet dog.
愛玩犬は家庭で人気のある犬
Many companion dog breeds are popular in households.
番犬 is a guard dog, emphasizing a working role, whereas 愛玩犬 is a companion animal.
Compound of 愛玩 (aigan, 'cherishing; caring for as a pet') and 犬 (ken, 'dog').