American English

Definition of punchcard noun from the Oxford Advanced American Dictionary

 

punchcard

 noun
noun
NAmE//ˈpʌntʃkɑrd//
 
(also punched card)
 
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a card on which, in the past, information was recorded as lines of holes and used for giving instructions, etc. to computers and other machines
See the Oxford Advanced Learner's Dictionary entry: punchcard