doggie; pooch; bow-wow
Affectionate children's word for a dog, similar to 'doggie' in English. Used by or when speaking to young children.
See also: ワンワン
ワンちゃん、おいで！
Come here, doggie!
We have a doggie at home.
That doggie is cute, isn't it?
公園でワンちゃんと遊んだ。
I played with the doggie at the park.
From the onomatopoeia ワンワン (bow-wow) plus the diminutive suffix ちゃん, used as a children's word for dog.