/ Dictionary / Index A American Federation of Labor: Meaning and Definition of Find definitions for: Amer'ican Federa'tion of La'bor Pronunciation: [key] a federation of trade unions organized in 1886: united with the Congress of Industrial Organizations 1955. Abbr.: A.F.L., AFL, A.F. of L. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. American Farm Bureau Federation American Federation of Labor and Congress of Industrial Organizations Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language