a council area and historical county of E central Scotland, on the Firth of Forth and the North Sea: part of Lothian region from 1975 to 1996: chiefly agricultural. Administrative centre: Haddington. Pop: 91 090 (2003 est). Area: 678 sq km (262 sq miles)
East Lothian in American English
administrative division of SE Scotland: formerly a county & district