WordNet sense 1 (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle):

myocardial infarction, myocardial infarct

WordNet sense 2 (a British unit of length equivalent to 1,853.18 meters (6,082 feet)):

mile, nautical mile, Admiralty mile, geographical mile, naut mi

WordNet sense 3 (a unit of length used in navigation; equivalent to the distance spanned by one minute of arc in latitude; 1,852 meters):

knot, air mile, international nautical mile

WordNet sense 4 (a unit of length equal to 1760 yards):

land mile, stat mi, statute mile

WordNet sense 5 (a midwestern state in north central United States in the Great Lakes region):

Michigan, Great Lakes State, Wolverine State

WordNet sense 6 (the government agency in the United Kingdom that is responsible for internal security and counterintelligence on British territory):

Security Service

WordNet sense 7 (the government agency in the United Kingdom that is responsible for internal security and counterintelligence overseas):

Secret Intelligence Service