This is the 3947th most frequent Japanese word.
ショコラ
"ショコラ" means "chocolate" in English.
The word ショコラ is used here in its typical sense, referring to chocolate, specifically in the context of a chocolate cake.
このショコラケーキはとても美味しいです。
This chocolate cake is very delicious.
In this sentence, ショコラ refers to a color, meaning 'chocolate-colored' in the context of a bag's appearance.
ショコラ色のバッグを買いました。
I bought a bag of chocolate color.
Here, ショコラ is used as a proper noun, which is a name, possibly chosen because it sounds cute and sophisticated as a pet's name.