It refers to a kind of:
* Small, unassuming house or dwelling: This could be translated as "humble abode, small house, modest dwelling" or "simple home".
* Specific type of traditional Kerala house: In this context, it could be described as "traditional Kerala house, small traditional house, or chovvary house (using the word itself as a descriptor)."
The best translation depends on the specific context in which "chovvary" is being used.