US Secret Service
         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}, {SS}]

English Dictionary: US Secret Service	by the DICT Development Group
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Usager \Us"a*ger\, n. [F. usager.]       One who has the use of anything in trust for another. [Obs.]       --Daniel.