capitol building Capitol • capitol hill · · · Info · Definitions · Characters · · capitol building · · Text Common · · Latin · · Scripts 16 · · Length 6 · · Syllables Definitions · · · (noun) the government building in Washington where the United States Senate and the House of Representatives meet. Synonyms: Capitol, Capitol Building. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 d latin small letter d U+0064 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 t latin small letter t U+0074 u latin small letter u U+0075