- a grand duchy surrounded by Germany, France, and Belgium. 999 sq. mi. (2585 sq. km).
- a city in and the capital of this grand duchy.
- a province in SE Belgium: formerly a part of the grand duchy of Luxembourg. 1706 sq. mi. (4420 sq. km). Capital: Arlon.
- a town in SE Belgium, capital of Luxembourg province. Pop: 25 766 (2004 est)
- a grand duchy in W Europe: it formed the Benelux customs union with the Belgium and the Netherlands in 1948 and was a founder member of the Common Market, now the European Union. Languages: French, German, and Luxemburgish. Religion: Roman Catholic majority. Currency: euro. Capital: Luxembourg. Pop: 514 862 (2013 est). Area: 2586 sq km (999 sq miles)
- the capital of Luxembourg, on the Alzette River: an industrial centre. Pop: 77 300 (2003 est)
- a province in SE Belgium, in the Ardennes. Capital: Arlon. Pop: 254 120 (2004 est). Area: 4416 sq km (1705 sq miles)
European state, from Germanic lutilla “little” + burg “fort, castle.” Related: Luxembourgeois; Luxembourger. Hence also lushburg (mid-14c.), Middle English word for “a base coin made in imitation of the sterling or silver penny and imported from Luxemburg in the reign of Edward III” [OED].
in northwestern , bordered by to the west and north, to the east, and to the south. Luxembourg City is its capital and largest city.