AskDefine | Define Sirius

Dictionary Definition

Sirius n : the brightest star in the sky; in Canis Major [syn: Dog Star, Canicula, Sothis]

User Contributed Dictionary



From Sirius, from sc=polytonic

Proper noun

  1. A bluish-white star in the constellation Canis Major; Alpha (α) Canis Majoris. A vertex of the Winter Triangle and the brightest star in the night sky. It is actually a binary star with a white dwarf companion star.





From sc=polytonic < sc=polytonic

Proper noun

  1. Sirius
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