- a government service organized to carry on secret investigation
- [S- S-] a division of the U.S. Treasury Department concerned with the discovery and arrest of counterfeiters, protection of the President, etc.
secret servicesecret service
- a. Intelligence-gathering activities conducted secretly by a government agency.b. A government agency engaged in intelligence-gathering activities.
- Secret Service A branch of the US Treasury Department concerned especially with protection of the president.