A cluster of stars in the constellation Taurus, the five brightest of which form a V, supposed by ancient astronomers to indicate rain when they rose with the sun.

• 金牛座之五星群金牛座的一组星，其中最亮的五颗呈V字形排列，古代天文学家认为，当它们同太阳一起升起时预示着要下雨