a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom | a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body |
| a room in a hospital equipped for the performance of surgical operations |
| a room where a doctor or dentist can be consulted |
| the branch of medical science that treats disease or injury by operative procedures |