چاک chāk P 1. s. m. A narrow opening intentionally left in clothes, a rent, a slit, a fissure. 2. adj. Rent, slit, torn, lacerated. چاک کرنا chāk karnā, To rend, to slit, to tear, to split, rip. چاک گريبان chāk-girebān, Having the collar rent, afflicted, sad.