fnma F natural • f number · · · Info · Definitions · Characters · · fnma · · Text Latin · · Script 4 · · Length 1 · · Syllables Definitions · · · (noun) a federally chartered corporation that purchases mortgages. Synonyms: Federal National Mortgage Association, Fannie Mae, FNMA. · · Noun Definition 1 Characters · · a latin small letter a U+0061 f latin small letter f U+0066 m latin small letter m U+006D n latin small letter n U+006E