Canopus

n. ancient Egyptian city; second-brightest star in the nighttime sky

Canopus (α Car / α Carinae / Alpha Carinae) is the brightest star in the southern constellation of Carina, and the second brightest star in the night-time sky, with a visual magnitude of −0.72, second only to  Sirius and despite being 330 light years distant. It is truly luminous, with an absolute magnitude of −5.53.
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Noun
1. supergiant star 650 light years from Earth; second brightest star in the sky
(hypernym) supergiant
(member-holonym) Carina

(n.)
A star of the first magnitude in the southern constellation Argo.
  

The brightest star in the southern hemisphere constellation Carina. Next to Sirius it is the brightest star in the sky. Canopus is a red supergiant star and has a spectral classification of F.