This is the 7405th most frequent Polish word.
knurowa
"Knurów" is the name of a town in Poland; "knurowa" is not a standard Polish word. If it is a misspelling or dialect term, context is required for definition.
Knurów is a proper noun referring to a town in Poland.
Mieszkam w Knurowie, małym miasteczku na Śląsku.
I live in Knurów, a small town in Silesia.
Knur is the Polish word for a boar, and 'knurowy' could be used as an adjective form referring to something related to a boar.
Wiatr porwał płachtę z knurowej stodoły.
The wind blew a sheet off the boar’s shed.
In this case, 'Knurowa' is used creatively as part of a title, likely connected to the town's name or context.