BELLWETHER


Meaning of BELLWETHER in English

/ ˈbelweðə(r); NAmE / noun

[ usually sing. ] something that is used as a sign of what will happen in the future :

University campuses are often the bellwether of change.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.