American English

Definition of trepan verb from the Oxford Advanced American Dictionary



trepan somebody/somethingVerb Forms present simple I / you / we / they trepan
he / she / it trepans
past simple trepanned
-ing form trepanning
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(especially in the past) to make a hole in someone's skull with a special instrument, for medical reasons
See the Oxford Advanced Learner's Dictionary entry: trepan