Source : WordNet®

SS
     n 1: the United States intelligence agency that protects current
          and former presidents and vice presidents and their
          immediate families and protects distinguished foreign
          visitors; detects and apprehends counterfeiters;
          suppresses forgery of government securities and
          documents [syn: {United States Secret Service}, {US
          Secret Service}, {USSS}, {Secret Service}]
     2: special police force in Nazi Germany founded as a personal
        bodyguard for Adolf Hitler in 1925; the SS administered
        the concentration camps [syn: {Schutzstaffel}]