This is the 457th most frequent Icelandic word.
nokkrar
"Several" or "some" (feminine plural form).
The word 'nokkrar' is used here as an adjective modifying 'bækur' (books), indicating an unspecified but small quantity.
Ég á nokkrar bækur á borðinu.
I have several books on the table.
Here, 'nokkrar' serves as an adjective modifying 'veitingastaði' (restaurants), again referring to an undefined but limited number.
Við fórum á nokkrar veitingastaði í borginni.
We visited several restaurants in the city.
In this case, 'nokkrar' is an adjective modifying 'blóm' (flowers), emphasizing a limited set from an assumed larger group.