pillar box pillar bolt • pillar crane · · · Info · Definitions · Characters · · pillar box · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) a red pillar-shaped letter box. Synonyms: pillar box. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 x latin small letter x U+0078