noun
Meaning 1
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.
Definition source: English Wiktionary via Wiktextract
Usage: historical
Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided