john herschel glenn jr. john herschel • john hope franklin · · · Info · Definitions · Characters · · john herschel glenn jr. · · Text Common · · Latin · · Scripts 23 · · Length 5 · · Syllables Definitions · · · (noun) made the first orbital rocket-powered flight by a United States astronaut in 1962; later in United States Senate (1921-). Synonyms: Glenn, John Glenn, John Herschel Glenn Jr.. · · Noun Definition 1 Characters · · space U+0020 . full stop U+002E c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 j latin small letter j U+006A l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073