1. keypunch - Noun
2. keypunch - Verb
(computing) A mechanical device whose keys are pressed, individually or in combination, to punch holes in punched cards or paper tape that correspond to particular characters.
(computing) An electric machine with a keyboard that has the same function.
keypunch (third-person singular simple present keypunches, present participle keypunching, simple past and past participle keypunched)
To use such a device or machine
Before text editors existed, computer text was punched into cards with keypunch machines. Source: Internet
Some line editors could be used by keypunch; editing commands could be taken from a deck of cards and applied to a specified file. Source: Internet