key punch


  1. Also key punch. Also called card punch. a machine, operated by a keyboard, for coding information by punching holes in cards or paper tape in specified patterns.

verb (used with object)

  1. to punch holes in (a punch card or paper tape), using a keypunch.
  2. to insert (data) into a computer by means of a keypunch: to keypunch code numbers.


  1. Also called: card punch a device having a keyboard that is operated manually to transfer data onto punched cards, paper tape, etc

verb key-punch

  1. to transfer (data) onto punched cards, paper tape, etc, by using a key punch

1933, from key (n.1) + punch (v.).

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