| punch card n. A medium for feeding data into a computer, essentially a card punched with holes or notches to represent letters and numbers or with a pattern of holes to represent related data. Also called Hollerith card. |
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| Noun | 1. |  punch card - a card on which data can be recorded in the form of punched holescard - one of a set of small pieces of stiff paper marked in various ways and used for playing games or for telling fortunes; "he collected cards and traded them with the other boys" |
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