Definitionen
1.NounA card that can have holes or notches cut in it, especially one for storing data, that can be sorted according to combinations of holes present or absent.
Such a card, the size of a US dollar bill and having 80 columns of 12 rows, used in early mainframe computers.
2.NounSuch a card, the size of a US dollar bill and having 80 columns of 12 rows, used in early mainframe computers.
3.NounA card given to a customer and punched with a hole at each purchase, allowing a reward to be claimed when fully punched.