·adj Having (such) a brow;
— used in composition; as, dark-browed, stern-browed.
·- Having prominent, overhanging brows; hence, lowering or sullen. ...
Webster's Dictionary of the English Language
·adj Having black eyebrows. Hence: Gloomy; dismal; threatening; forbidding. ...
·adj Shamelessly impudent. ...
·adj Having a gloomy look. ...
One having thick projecting eyebrows. ...
Dictionary of The Vulgar Tongue by Francis Grose