[ kee-puhnch ]
/ ˈkiˌpʌntʃ /


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)

to punch holes in (a punch card or paper tape), using a keypunch.
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


key·punch·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for key punch

key punch


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

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