0 an area of southeastern Scotland that was a county until 1975 and is now a council area (= an area with its own local government):
Located in Musselburgh and Elphinstone, East Lothian, we are close to Edinburgh.
His van was purring when he drove down the A1 in East Lothian.
Monktonhall was opened in the 1960s to supply its power station at Cockenzie, East Lothian.
