trepan

Noun
  1. A surgical instrument used to remove sections of bone from the skull (synset 104486761)
    is a type of: surgical instrument - a medical instrument used in surgery
    same as: trephine
  2. A drill for cutting circular holes around a center (synset 104486640)
    is a type of: drill - a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows)
Verb
  1. Cut a hole with a trepan, as in surgery (synset 201446490)
    referred to in: operation, surgery, surgical operation, surgical procedure, surgical process - a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body
    is a type of: bore, drill - make a hole, especially with a pointed power or hand tool

Other Searches