Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun trephination

1 sense of trephination

Sense 1
trephination -- (an operation that removes a circular section of bone from the skull)
       => operation, surgery, surgical operation, surgical procedure, surgical process -- (a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body; "they will schedule the operation as soon as an operating room is available"; "he died while undergoing surgery")