pilot balloon pilotaxitic • pilot bird · · · Info · Definitions · Characters · · pilot balloon · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) meteorological balloon used to observe air currents. Synonyms: pilot balloon. · · 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 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 t latin small letter t U+0074