開かい頭とう手しゅ術じゅつMeaningsNoun1. craniotomyKanji used開open頭head手hand術techniqueComposed of開かいopen; beginningPrefix頭とうcounter for large animals (e.g. head of cattle); counter for insects in a collection; counter for helmets, masks, etc.Counter手しゅ術じゅつsurgery; operation; procedureNoun