From Longman Dictionary of Contemporary EnglishKu Klux Klan, thethe Ku Klux KlanKu Klux Klan, the /ˌkuː klʌks ˈklæn/ SSRSSOa secret American political organization of Protestant white men who oppose people of other races or religions
Examples from the Corpus
Ku Klux Klan, the• They belong to the Ku Klux Klan.Origin Ku Klux Klan (1800-1900) Perhaps from Greek kyklos “circle” + English clan 