ˈ ̷ ̷ ̷ ̷ˌrād.ə(r), -ātə- noun
( -s )
: one that perforates: as
a. : a prehistoric stone or bone implement for drilling or boring holes
b. : a mechanical device for punching holes or designs through or into a flat surface
check perforator
hand perforator that punches up to 12 sheets without tearing
railroads use perforators for dating tickets — Office Appliance Manual
specifically : a telegraphic apparatus that perforates a continuous tape according to code (as for use in a tape transmitter)
c. : an operator of a machine that makes perforations (as in paper or leather)
d. : a device resembling a gun for puncturing an oil well casing at the oil stratum