po box poblacion • po box no · · · Info · Definitions · Characters · · po box · · Text Common · · Latin · · Scripts 6 · · Length 2 · · Syllables Definitions · · · (noun) a numbered compartment in a post office where mail is put to be called for. Synonyms: Post-Office box, PO Box, POB, call box, letter box. · · Noun Definition 1 Characters · · space U+0020 b latin small letter b U+0062 o latin small letter o U+006F p latin small letter p U+0070 x latin small letter x U+0078