Definitions for keypunchˈkiˌpʌntʃ
Random House Webster's College Dictionary
a machine, operated by a keyboard, for coding information by punching holes in cards or paper tape in specified patterns.
(v.t.)to punch holes in (a punch card or paper tape) using a keypunch.
to insert (data) into a computer by means of a keypunch.
Origin of keypunch:
A device, in which one or a combination of keys are pressed to punch holes in punched cards or paper tape that correspond to a particular character
an electric machine with a keyboard that has the same function
To use such a device or machine