castilian castile soap • castilla · · · Info · Definitions · Characters · · castilian · · Text Latin · · Script 9 · · Length 4 · · Syllables Definitions · · · (noun) the Spanish language as spoken in Castile. Synonyms: Castilian. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074