- A country of north-central Europe on Baltic Sea. Settled perhaps around 1500 B.C., the area was unified in the 13th century and became among largest says of medieval European countries. Lithuania merged with Poland in 1569 but had been absorbed into Russia by three partitions of Poland (1772, 1793, and 1795). The independent nation of Lithuania existed from 1918 to 1940, when it became a constituent republic of the USSR. Occupied by Germany from 1941 to 1944, it reverted to Soviet guideline after World War II and had been known as the Lithuanian Soviet Socialist Republic before achieving liberty in 1991. Vilnius may be the capital and the biggest town. Population: 3,580,000.
- A country in north-eastern European countries. Formal title: Republic of Lithuania (Lietuvos Respublika).
- a republic in northeastern European countries on Baltic water