Does the word '铬' have other meaning besides chromium/chrome? 那遍布的伤疤铬的她手指生疼

I don't think '铬' in this sentence means chromium, but I couldn't find other meaning except chromium in dictionary.

Is it a typo?
It is a typo, it should be 硌. 
If you sit on a rock, you would feel the rock 硌 your butt. 
If your hand hold a wooden stick that is not smooth, you feel 硌手.