lettercard letter box • letter carrier · · · Info · Definitions · Characters · · lettercard · · Text Latin · · Script 10 · · Length 3 · · Syllables Definitions · · · (noun) a postcard that folds so the message is inside. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 l latin small letter l U+006C r latin small letter r U+0072 t latin small letter t U+0074