This is the 16107th most frequent Polish word.
uczesać
To comb or style (hair).
The verb 'uczesać' is used here in its literal sense, describing the action of combing one's hair.
Joanna uczesała swoje włosy przed wyjściem.
Joanna combed her hair before going out.
In this sentence, 'uczesać' extends its meaning to grooming an animal, particularly combing its fur.
Musimy uczesać naszego psa, bo ma długą sierść.
We need to groom our dog because it has long fur.
Here, 'uczesać' is used metaphorically to signify tidying up or arranging something neatly.