astronaut astrometry • astronautic · · · Info · Definitions · Synonyms · Characters · · astronaut · · Text Latin · · Script 9 · · Length 4 · · Syllables Definitions · · · (noun) a person trained to travel in a spacecraft. Synonyms: spaceman, cosmonaut. Example: "The russians called their astronauts cosmonauts." · · Noun Definition 1 Synonyms · · · spaceman · · Synonym 1 cosmonaut · · Synonym 2 Characters · · a latin small letter a U+0061 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 t latin small letter t U+0074 u latin small letter u U+0075