This is the 10420th most frequent Polish word.
czaszkami
"Czaszkami" means "skulls" in English (instrumental plural form).
In this sentence, 'czaszkami' refers to decorative skulls used as aesthetic elements.
Mam kilka półek ozdobionych czaszkami.
I have several shelves decorated with skulls.
Here, 'czaszkami' describes the remains of animal skulls found as part of archaeological research.
Archeologowie odkryli grób z czaszkami zwierząt.
The archaeologists discovered a grave with animal skulls.
In this case, 'czaszkami' is used in the context of creative artistic representations involving human skulls.