Shahmukhi : چٹاک
Meaning in English
crack or sudden sharp noise as of a slap or whip; scar, patch, mark left by a healed wound, injury or boil, splotch, fleck, patch caused by vitiligo or leukoderma
Source: Punjabi Dictionary
CHAṬÁK
Meaning in English2
s. m, wound, a scar, a mark.
Source:THE PANJABI DICTIONARY-Bhai Maya Singh