/ Dictionary / Index R Roosevelt Corollary: Meaning and Definition of Find definitions for: Roo'sevelt Cor'ollary Pronunciation: [key] — U.S. Hist. U.S. Hist. 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. Roosevelt Roosevelt Dam Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language