渦うず巻まき銀ぎん河がうずまきぎんがMeanings1nounspiral galaxyastronomy›Astronomical term for a galaxy with a spiral structure, such as the Milky Way.アンドロメダ銀ぎん河がは代だい表ひょう的てきな渦うず巻まき銀ぎん河