surgery

the branch of medical science that treats disease or injury by operative procedures; "he is professor of surgery at the Harvard Medical School"

a room where a doctor or dentist can be consulted; "he read the warning in the doctor's surgery"

a room in a hospital equipped for the performance of surgical operations; "great care is taken to keep the operating rooms aseptic"

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"