letterhead lettergram • letterin · · · Info · Definitions · Characters · · letterhead · · Text Latin · · Script 10 · · Length Definitions · · · (noun) a sheet of stationery with name and address of the organization printed at the top. · · Noun Definition 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C r latin small letter r U+0072 t latin small letter t U+0074