Sirius(redirected from SAO 151881)
Also found in: Thesaurus, Encyclopedia.
A star in the constellation Canis Major, the brightest star in the sky, approximately 8.6 light years distant from Earth. Also called Dog Star, Sothis.
[Latin Sīrius, from Greek Seirios, from seirios, burning.]
(Celestial Objects) the brightest star in the sky after the sun, lying in the constellation Canis Major. It is a binary star whose companion, Sirius B, is a very faint white dwarf. Distance: 8.6 light years. Also called: the Dog Star, Canicula or Sothis
[C14: via Latin from Greek Seirios, of obscure origin]
Sir•i•us(ˈsɪr i əs)
the Dog Star, the brightest-appearing star in the heavens, located in the constellation Canis Major.
[1325–75; Middle English < Latin Sīrius < Greek Seírios]
The brightest star seen in the night sky. It is in the constellation Canis Major.