けんぎゅうせい 牽牛星 LinksSentence search for 牽牛星Sentence search for けんぎゅうせいKanji details for 牽, 牛 and 星Edit in JMdict Noun1. Altair (star in the constellation Aquila); Alpha AquilaeAstronomy, See also アルタイル Discussions Log in to talk about this word.