Arias Sánchez[äˈrē-äs sänˈchĕs], Oscar Born 1940.
Arias Sánchez definition by American Heritage Dictionary
, Oscar Born 1940.
Costa Rican politician who as president (1986-1990) proposed an accord to bring peace to Central America, for which he won the 1987 Nobel Peace Prize. He began a second term as president in 2006.