Gasterosteus gasterosteoid • gasterotheca · · · Info · Definitions · Characters · · Gasterosteus · · Text Latin · · Script 12 · · Length Definitions · · · (noun) type genus of the family Gasterosteidae. Synonyms: genus gasterosteus. · · Noun Definition 1 Characters · · G latin capital letter g U+0047 a latin small letter a U+0061 e latin small letter e U+0065 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