This is the 11951st most frequent Polish word.
kury
Hens.
Here, 'kury' is the subject of the sentence and represents hens as a group.
Kury grzebią w ziemi.
The hens scratch in the ground.
In this sentence, 'kury' denotes a singular 'hen' as the word is in the dative case.
Przynieś karmę dla kury.
Bring food for the hen.
This usage depicts 'kury' in the genitive plural form, referring to multiple hens.