Noun | 1. | ![]() surgical operation, surgical procedure, surgical process, surgery, operation - 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" procedure, process - a particular course of action intended to achieve a result; "the procedure of obtaining a driver's license"; "it was a process of trial and error" dental procedure - a procedure employed by a dentist |