Mata Hari (song)
WordNet
noun
(1) Dutch dancer who was executed by the French as a German spy in World War I (1876-1917)
WiktionaryText
Etymology
matahari, the Sun and literally "eye of the day". Stage name of Margaretha Geertruida (Grietje) Zelle, a Dutch exotic dancer and courtesan who was executed by firing squad for alleged espionage during World War I.