kbo kblebmtp • kc · · · Info · Definitions · Characters · · kbo · · Text Latin · · Script 3 · · Length 1 · · Syllables Definitions · · · (noun) any of many minor planets in the Kuiper belt outside the orbit of Neptune at the edge of the solar system. Synonyms: Kuiper belt object, KBO. · · Noun Definition 1 Characters · · b latin small letter b U+0062 k latin small letter k U+006B o latin small letter o U+006F