From Longman Dictionary of Contemporary EnglishCubaCu‧ba /ˈkjuːbə/ the largest island in the Caribbean Sea. Population: 11,061,886 (2014). Capital: Havana. Cuba was a one-party Communist state led by Fidel CASTRO from 1959 until he resigned in 2008 and his brother Raúl took over as president. Cuba is known for its rum, its cigars, and its music. It also has a growing tourist industry. —Cuban noun, adjective