n. coastal fog along certain lands bordering the North Sea
the GNU version of the Collaborative International Dictionary of English
n. A fog; esp., a fog or mist with a chill wind.
The Century Dictionary and Cyclopedia
n. A fog; a chill easterly wind accompanied by light fog.
Word Usage
"From the Scots dictionary: haar (pronounced hahr) – A haar is a type of cold mist or fog from the North Sea which frequently occurs along the East coast."