league of nations: an international organization formed in 1920 to promote cooperation and peace among nations; although suggested by Woodrow Wilson, the United States never joined and it remained powerless; it was dissolved in 1946 after the United Nations was formed
abstraction: a general concept formed by extracting common features from specific examples
calliopsis: North American annual widely cultivated for its yellow flowers with purple-red to brownish centers; in some classifications placed in a subgenus Calliopsis