This is the 10528th most frequent Russian word.
винной
"Винной" means "wine-related" or "pertaining to wine."
Here, 'винной' is the genitive case (adjective) form of 'винный,' describing 'культура.' It means related to wine or wine-related.
Моя подруга увлекается винной культурой.
My friend is interested in wine culture.
'Винной' here modifies 'шкаф,' indicating it is for wines. This use denotes a functional relationship.
Он купил винной шкаф для хранения напитков.
He bought a wine cabinet for storing beverages.
In this case, 'винной' describes 'аромат,' implying the aroma resembling wine, indicating quality or sensory aspect.