interior department interior decorator • interior design · · · Info · Definitions · Characters · · interior department · · Text Common · · Latin · · Scripts 19 · · Length 6 · · Syllables Definitions · · · (noun) the United States federal department charged with conservation and the development of natural resources; created in 1849. Synonyms: Department of the Interior, Interior Department, Interior, DoI. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074