post horse post horn • post-horse · · · Info · Definitions · Synonyms · Characters · · post horse · · Text Common · · Latin · · Scripts 10 · · Length 2 · · Syllables Definitions · · · (noun) a horse kept at an inn or post house for use by mail carriers or for rent to travelers. Synonyms: post horse, post-horse, poster. · · Noun Definition 1 Synonyms · · · post-horse · · Synonym 1 poster · · Synonym 2 Characters · · space U+0020 e latin small letter e U+0065 h latin small letter h U+0068 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074