This is the 7822nd most frequent Turkish word.
karın
"Karın" means "abdomen" or "stomach" in English.
In this sentence, 'karın' refers to 'abdomen' or 'stomach,' indicating a physical part of the body.
Karın ağrısı çekiyorsan doktora gitmelisin.
If you have a stomachache, you should go to the doctor.
Here, 'karın' is the possessed form of 'kar,' meaning 'snow,' indicating snow lying on something.
Kışın dağlar karın altında kalır.
In winter, the mountains remain under the snow.
In this context, 'karın' means 'stomach' metaphorically, associated with satisfying hunger.