Answer: perforation

AnswerCrossword Clue
perforationA small hole or row of small holes punched in a sheet of paper, e.g., of postage stamps, so that a part can be torn off easily
perforationThe action or state of perforating or being perforated
perforationthe act of perforating
perforationA hole made by boring or piercing; an aperture passing through or into something