peekaboo card
peekaboo card · peekaboo cards
A kind of punch card that could be used to find records matching several categories by…A kind of punch card that could be used to find records matching several categories by aligning cards for the records and retaining those where a hole could be seen all the way through the stack of cards.
Meaning
1 senses(historical)A kind of punch card that could be used to find records matching several categories by aligning cards for the records and retaining those where a hole could be seen all the way through the stack of cards.
Forms
plural: peekaboo cards| Singular | peekaboo card |
|---|---|
| Plural | peekaboo cards |
regular