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keypunch

key·punch [ k pùnch ]


noun  (plural key·punch·es)
Definition:
 
machine for punching holes: a machine, operated by keyboard, that punches holes in cards or paper for use in a data-processing system, now largely obsolete



transitive and intransitive verb  (past and past participle key·punched, present participle key·punch·ing, 3rd person present singular key·punch·es)
Definition:
 
to punch holes for data entry: to use a keypunch to punch holes in a card or paper tape for data entry into a computer


key·punch·er noun
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