canis major

< /ˈkeɪ nɪs məˈdʒɔr ɪs, -ˈdʒoʊr-/. Astronomy.

1. the Great Dog, a southern constellation between Puppis and Orion, containing Sirius, the Dog Star, the brightest of the stars.

noun Latin genitive Canis Majoris (məˈdʒɔːrɪs)

1. a constellation in the S hemisphere close to Orion, containing Sirius, the brightest star in the skyAlso called: the Great Dog

1. A constellation in the Southern Hemisphere near Orion. Canis Major (the Greater Dog) contains Sirius, the brightest star in the night sky.