1. surgery

the branch of medical science that treats disease or injury by operative procedures

Example Sentences:
'he is professor of surgery at the Harvard Medical School'

2. surgery

a room where a doctor or dentist can be consulted

Example Sentences:
'he read the warning in the doctor's surgery'

3. operating room, operating theater, operating theatre, or, surgery

a room in a hospital equipped for the performance of surgical operations

Example Sentences:
'great care is taken to keep the operating rooms aseptic'

• operating room
• operating theater
• operating theatre
• or

4. 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

Example Sentences:
'they will schedule the operation as soon as an operating room is available'
'he died while undergoing surgery'

• operation
• surgical operation
• surgical procedure
• surgical process