Canis Major

noun

Ca·​nis Ma·​jor ˌkā-nəs-ˈmā-jər How to pronounce Canis Major (audio)
ˌka-
: a constellation to the southeast of Orion containing Sirius

Examples of Canis Major in a Sentence

Recent Examples on the Web
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The primary galaxy imaged is found in the constellation Canis Major, which contains Sirius, the brightest star in the night sky. Chelsea Gohd, Space.com, 15 June 2026 Sirius is the brightest nighttime star, and the brightest star in the constellation Canis Major, the Big Dog, still barely visible in the low early evening southwestern sky. Mike Lynch, Twin Cities, 19 Apr. 2026 Halvorson is on tour these days with a totally different band, a new quartet named Canis Major, which also features longtime Halvorson collaborator drummer Tomas Fujiwara. Randy McMullen, Mercury News, 2 Apr. 2026

Word History

Etymology

Latin (genitive Canis Majoris), literally, greater dog

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of Canis Major was in the 14th century

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Cite this Entry

“Canis Major.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Canis%20Major. Accessed 23 Jun. 2026.

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