horse box horsebox • horseboy · · · Info · Definitions · Characters · · horse box · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) a conveyance (railroad car or trailer) for transporting racehorses. Synonyms: horsebox. · · Noun Definition 1 Characters · · space U+0020 b latin small letter b U+0062 e latin small letter e U+0065 h latin small letter h U+0068 o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 x latin small letter x U+0078