haar

1. (especially Northern England, Scotland) Thick, cold, wet fog along the northeastern coast of Northern England and Scotland.Examples: "The traffic noise used to be constant, at times as thick as the haar, the sea fog that sometimes rolls in here from the North Sea."Northern-EnglandScotlandcountableespeciallyuncountable

2. (especially Scotland) A wind, especially one from the east, which blows in this fog.Examples: "[…] westerly haar, which wraps everything up in white wool, and blots out sea and sky, and chokes the depressed wayfarer-not to speak of the penetrating chill which even in June goes down into the marrow of your bones, and makes the[…]"; "[An] easterly haar was blowing in off the sea, the cold wind bringing with it a thick fog that crawled under the collar and clung to the skin. Ahead, the road disappeared as the fog hid anything on either side of the hedges save for the[…]"Scotlandcountableespeciallyuncountable