1A northern constellation (the Little Bear) that contains the north celestial pole and the polar star Polaris. The brightest stars form a shape that is also known as the Little Dipper.

1. 1.1as genitive Ursae Minoris /ˈərsē miˈnôris/ Used with preceding letter or numeral to designate a star in the constellation Ursa Minor.
   与其前面的字母或数字连用以标记该星座中的星小熊星座的
   the star Alpha Ursae Minoris

   小熊座α星。