This is the 13303rd most frequent Polish word.
ortopedycznej
"Ortopedycznej" means "orthopedic" in English, relating to the branch of medicine dealing with the correction of deformities of bones or muscles.
The word 'ortopedycznej' is in an adjective form modifying 'poduszkę', indicating that the pillow is designed for orthopedic purposes.
Kupiłem nową poduszkę ortopedyczną.
I bought a new orthopedic pillow.
The word 'ortopedycznej' as an adjective describes 'maty', indicating the mat's specialized orthopedic nature.
Uczę się korzystania z maty ortopedycznej.
I am learning to use an orthopedic mat.
Here, 'ortopedycznej' works as an adjective that modifies 'poradni', which specifies the type of clinic.