This is the 17879th most frequent Polish word.
łysa
"Bald" (feminine form).
The word 'łysa' is used as an adjective to describe the noun 'głowa' (head), indicating the condition of being bald.
Moja siostra ma teraz łysą głowę po ogoleniu.
My sister now has a bald head after shaving.
The word 'łysa' is used as an adjective to describe the noun 'kobieta' (woman), referring to a bald woman.
Spotkałem łysą kobietę na ulicy, która była bardzo sympatyczna.
I met a bald woman on the street who was very kind.
Here, 'łysa' describes 'góra' (mountain), metaphorically referring to a mountain peak lacking vegetation.