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[The brightest star in the constellation Canis Major, the Big Dog.]
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.
(Astronomy) the Dog Star another name for Sirius
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. the bright star Sirius in Canis Major.
2. the bright star Procyon in Canis Minor.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Dog Star- Named for its appearing to follow at the heels of Orion the hunter.
See also related terms for heels.
Farlex Trivia Dictionary. © 2012 Farlex, Inc. All rights reserved.