Definition of Posse Comitatus Act in English:

Posse Comitatus Act

Syllabification: Pos·se Com·i·ta·tus Act
Pronunciation: /ˌpäsē ˌkämiˈtātəs ˌakt
 
/

noun

Law
  • A federal statute prohibiting use of the military in civilian law enforcement.
    More example sentences
    • The DOD, however, claimed to base its policy upon the Posse Comitatus Act.
    • The Democrats made absolutely no mention of the Posse Comitatus Act.
    • Legal barriers to sending the armed forces into U.S. streets have existed for more than a century under the Posse Comitatus Act.

Origin

Latin posse comitatus 'power of the county'.

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