surgery meaning and definition

SURGERY noun

Definition of surgery (noun)

1. the branch of medical science that treats disease or injury by operative procedures
   • "he is professor of surgery at the Harvard Medical School"
2. a room where a doctor or dentist can be consulted
   • "he read the warning in the doctor's surgery"
3. a room in a hospital equipped for the performance of surgical operations
   • "great care is taken to keep the operating rooms aseptic"
   • synonyms: operating room, operating theater, operating theatre, OR
4. 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"
   • synonyms: operation, surgical operation, surgical procedure, surgical process