1One of the largest and most prominent northern constellations (the Great Bear). The seven brightest stars form a familiar asterism known by various names (especially the Big Dipper and the Plow) and include the Pointers.
- 1.1Used with a preceding letter or numeral to designate a star in this constellation.‘the star Delta Ursae Majoris’
- 1.1Used with a preceding letter or numeral to designate a star in this constellation.
Latin, Big Bear from the story in Greek mythology that the nymph Callisto was turned into a bear and placed as a constellation in the heavens by Zeus.