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 | the government agency in the United Kingdom that is responsible for internal security and counterintelligence on British territory |
| the government agency in the United Kingdom that is responsible for internal security and counterintelligence overseas |
| a midwestern state in north central United States in the Great Lakes region, with capital Lansing |
| destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle |