perforatorium

noun
per·​fo·​ra·​to·​ri·​um | \ ˌpər-fə-rə-ˈtōr-ē-əm, -ˈtȯr- How to pronounce perforatorium (audio) \
plural perforatoria\ -​ē-​ə How to pronounce perforatoria (audio) \

Medical Definition of perforatorium