Meaning of keypunch

key•punch

Pronunciation: (kē'punch"), [key]
— n.
  1. Also calleda machine, operated by a keyboard, for coding information by punching holes in cards or paper tape in specified patterns.
—v.t.
  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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.