| 单词 | trepan |
| 释义 | Word Frequency trepan 1(trɪˈpæn) noun 1. surgery an instrument resembling a carpenter's brace and bit formerly used to remove circular sections of bone (esp from the skull) Compare trephine 2. a tool for cutting out circular blanks or for making grooves around a fixed centre 3. a. the operation of cutting a hole with such a tool b. the hole so produced verbWord forms: -pans, -panning or -panned (transitive) 4. to cut (a hole or groove) with a trepan 5. surgery another word for trephine Derived forms trepanation (ˌtrɛpəˈneɪʃən) noun trepanner (treˈpanner) noun Word origin C14: from Medieval Latin trepanum rotary saw, from Greek trupanon auger, from trupan to bore, from trupa a holeWord Frequency trepan 2(trɪˈpæn) or trapan (trəˈpæn) archaic verbWord forms: -pans, -panning or -panned (transitive) 1. to entice, ensnare, or entrap 2. to swindle or cheat noun 3. a person or thing that traps Word origin C17: of uncertain origin |
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