Meaning of Roosevelt Corollary

Roo'sevelt Cor'ollary

Pronunciation: [key]
— U.S. Hist. U.S. Hist.
  1. a corollary (1904) to the Monroe Doctrine, asserting that the U.S. might intervene in the affairs of an American republic threatened with seizure or intervention by a European country.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.