punchcard
nounUK /ˈpʌntʃkɑːd/
US /ˈpʌntʃkɑːrd/
A punchcard is a stiff card with holes punched in it that old machines read to do work.
Grandpa showed us an old punchcard that told the computer what to do.
RELATED WORDS
OTHER MEANINGS
2. A card used to record attendance or purchases by punching holes in it.
The waiter kept our coffee punchcard behind the counter.
3. A card with holes punched in a pattern, used to control a machine such as a Jacquard loom.
The weaver threaded a punchcard into the loom to make the pattern.
4. A ticket or card marked with holes to show it has been used or validated.
The conductor clipped our punchcard before the train left.