Sir·i·us
(sĭr′ē-əs)n.
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.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Sirius
(ˈsɪrɪəs)n
(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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Sir•i•us
(ˈsɪr i əs)n.
the Dog Star, the brightest-appearing star in the heavens, located in the constellation Canis Major.
[1325–75; Middle English < Latin Sīrius < Greek Seírios]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Sir·i·us
(sĭr′ē-əs) The brightest star seen in the night sky. It is in the constellation Canis Major.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
| Noun | 1. |  Sirius - the brightest star in the sky; in Canis MajorCanis Major, Great Dog - a constellation to the southeast of Orion; contains Sirius |
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