a group formed in 1989 which campaigns for the rights of gay people in Britain. It is involved in political lobbying (= trying to influence the government), carries out research into issues such as discrimination and fights legal cases to support equal rights for gay people.
STONEWALL
Meaning of STONEWALL in English
Oxford guide to British and American culture English vocabulary. Руководство по британской и американской культуре, Оксфордский английский словарь. 2005