noun
[ U ] ( BrE ) if a criminal turns Queen's evidence , he or she gives evidence against the people who committed a crime with him
noun
[ U ] ( BrE ) if a criminal turns Queen's evidence , he or she gives evidence against the people who committed a crime with him
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005