Canis Major Definition

kānĭs, kănĭs
A S constellation between Monoceros and Columba, containing the bright star Sirius; the Greater Dog.
Webster's New World
  • Great Dog

(astronomy) A winter constellation of the northern sky, said to resemble a dog following the hunter Orion. It includes the brightest star in the night sky Sirius, which is appropriately known as the Dog Star.


Origin of Canis Major

  • Latin Canis Māior canis dog māior larger

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin canis maior (“(the) greater dog”).

    From Wiktionary

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Canis Major