This is the 3713th most frequent Polish word.
krosna
"Krosna" means "loom" in English, referring to a device used for weaving fabric.
In this sentence, 'krosien' is the genitive plural form of 'krosna', referring to frames or looms used for weaving cloth.
Potrzebuję nowych krosien do tkania.
I need new looms for weaving.
Here, 'krosno' is the singular nominative form of 'krosna', used to describe a type of weaving equipment.
Krosno zostało ustawione w salonie.
The loom has been set up in the living room.
In this usage, 'krosna' is the nominative plural form, referring to multiple looms displayed in the museum.