Geographic line marking the frontier between Lebanon and Israel, fixed by the terms of the armistice signed between these two countries on 23 March 1949. This frontier was confirmed by the United Nations in May 2000, after the definitive withdrawal of Israeli troops from South Lebanon. The Shebaa Farms area, which is claimed by Lebanon, remains occupied by Israel pending a settlement with Syria over the Golan Heights.
"Blue Line." Dictionary of the Israeli-Palestinian Conflict. . Encyclopedia.com. (November 16, 2018). https://www.encyclopedia.com/politics/dictionaries-thesauruses-pictures-and-press-releases/blue-line
"Blue Line." Dictionary of the Israeli-Palestinian Conflict. . Retrieved November 16, 2018 from Encyclopedia.com: https://www.encyclopedia.com/politics/dictionaries-thesauruses-pictures-and-press-releases/blue-line