perforator
nounUK /ˈpɜːfəreɪtə/
US /ˈpɜːrfəreɪtər/
A perforator is a tool that makes small holes in paper or other things.
She used a perforator to punch holes in the tickets.
SYNONYMS
OTHER MEANINGS
2. A machine or device used in surgery to make an opening in tissue.
The surgeon used a perforator to create a small opening.
3. A person or thing that perforates, especially a device for making holes in stamps or documents.
The perforator in the office was broken, so we couldn't punch the forms.
4. In printing, a machine that makes perforations in paper for easy tearing.
The printing press includes a perforator for making tear-off sheets.