per ‧ fo ‧ rat ‧ ed /ˈpɜːfəreɪtəd, ˈpɜːfəreɪtɪd $ ˈpɜːr-/ BrE AmE adjective
[ Date: 1500-1600 ; Language: Latin ; Origin: past participle of perforare 'to make a hole through' ]
something that is perforated has a hole or holes cut or torn in it:
a perforated eardrum
perforated coupons