noun
( BrE ) a place, a situation or an event that is a problem or that causes a lot of problems :
an environmental black spot
That corner is a notorious accident black spot (= a lot of accidents happen there) .
noun
( BrE ) a place, a situation or an event that is a problem or that causes a lot of problems :
an environmental black spot
That corner is a notorious accident black spot (= a lot of accidents happen there) .
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005