trephination

English Thesaurus

1. an operation that removes a circular section of bone from the skull (noun.act)

hypernym	:	operation, surgery, surgical operation, surgical procedure, surgical process,
definition	:	a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body (noun.act)

derivation	:	trephine,
definition	:	operate on with a trephine (verb.body)

derivation	:	trephine,
definition	:	operate on with a trephine (verb.body)