BARONESS Meaning of BARONESS in English bar ‧ on ‧ ess /ˈbærənəs, ˈbærənɪs/ BrE AmE noun [countable] 1 . a woman who is a member of a low rank of the British ↑ nobility2 . the wife of a baron Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012