• synonyms


  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.
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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.
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Origin of keypunch

First recorded in 1930–35; key1 + punch1
Related formskey·punch·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for key punch

key punch

  1. Also called: card punch a device having a keyboard that is operated manually to transfer data onto punched cards, paper tape, etc
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verb key-punch
  1. to transfer (data) onto punched cards, paper tape, etc, by using a key punch
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for key punch



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

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Online Etymology Dictionary, © 2010 Douglas Harper