per·fo·ra·tor noun \ˈpər-fə-ˌrāt-ər\
: one that perforates: as a : an instrument used to perforate tissue (as bone) b : a nerve or blood vessel forming a connection between a deep system and a superficial one
Seen & Heard
What made you want to look up perforator? Please tell us where you read or heard it (including the quote, if possible).