secret service
noun
Definition of secret service
1 : a governmental service of a secret nature
2 capitalized both Ss : a division of the U.S. Department of Homeland Security chiefly in charge of stopping crimes against the nation's financial system and protecting the president and other national officials and visiting world leaders
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First Known Use of secret service
1706
SECRET SERVICE Defined for English Language Learners
secret service
noun
Definition of secret service for English Language Learners
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the Secret Service : a U.S. government department in charge of protecting elected leaders of the U.S. and visiting leaders
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: a government department that protects a country's secrets and obtains secret information about other countries
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