trepan(ner)

英 [trɪ'pæn] 美 [trɪ'pæn]

• 打眼机

英英释义

名词 trepan:

1. a surgical instrument used to remove sections of bone from the skull

2. a drill for cutting circular holes around a center

动词 trepan:

1. cut a hole with a trepan, as in surgery