Attic means Grenier
Grenier.
Grenier
In french, attic is: Grenier
grenier! (:
le grenier
I walked into the dusty attic cautiously.
Le grenier (masc.) is the attic in French.
There are some strange noises coming from the attic.
un grenier is an attic in French.
Basement
les lumières du grenier
If you mean attic (top of the house) it is grenier in French (literaly the place where you store grain)