This is the 13619th most frequent Polish word.
plecy
"Plecy" in Polish means "back" (the rear part of the human body).
Using 'plecy' in a medical context to refer to physical pain in the back.
Mam ból w plecach.
I have pain in my back.
Using 'plecy' metaphorically to describe someone's physical appearance and strength.
On ma szerokie plecy.
He has broad shoulders (back).
Using 'plecy' idiomatically to describe distancing oneself from someone, potentially emotionally or socially.