Meaning

noun destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle

noun a former British unit of length equivalent to 6,080 feet (1,853.184 meters); 800 feet longer than a statute mile

noun a unit of length used in navigation; exactly 1,852 meters; historically based on the distance spanned by one minute of arc in latitude

originVarious origins: * Borrowed from Polish Miś, a pet form of Michał or a nickname from miś (“bear”). * Borrowed from Slovene Miš, a nickname from miš (“mouse”). * Borrowed from Dutch Mis, a reduced form of the personal name Amijs. * Borrowed from Yucatec Maya Mis; this surname is predominantly found in Yucatán.

Etymology from Wiktionary, CC BY-SA 3.0