English

Definition of punchcard noun from the Oxford Advanced Learner's Dictionary

 

punchcard

 noun
noun
BrE BrE//ˈpʌntʃkɑːd//
 
; NAmE NAmE//ˈpʌntʃkɑːrd//
 
(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 American Dictionary entry: punchcard