Procyon

noun

Pro·​cy·​on ˈprō-sē-ˌän How to pronounce Procyon (audio)
ˈprä-
-ən How to pronounce Procyon (audio)
: the brightest star in the constellation Canis Minor

Examples of Procyon in a Sentence

Recent Examples on the Web
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The gleaming star directly below Jupiter in the evening sky is Procyon, the brightest member of the constellation Canis Minor, the little dog. Anthony Wood, Space.com, 17 Feb. 2026 From there, travel further south to white Procyon in Canis Minor, then across to Sirius (the brightest star) in the southwest sky before moving up to blue-white Rigel in Orion and finally over to Betelgeuse. Michele Laufik, Martha Stewart, 9 Feb. 2026 From there, move clockwise to Procyon, then to Pollux in Gemini (with bright Jupiter nearby). Jamie Carter, Forbes.com, 15 Jan. 2026 The results showed up clearly in UL’s Procyon AI benchmark. PC Magazine, 17 July 2025 From there, Procyon will be slightly higher and to the left. Denise Chow, NBC News, 13 Dec. 2024

Word History

Etymology

Latin, from Greek Prokyōn, literally, fore-dog; from its rising before Sirius

First Known Use

1658, in the meaning defined above

Time Traveler
The first known use of Procyon was in 1658

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Cite this Entry

“Procyon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Procyon. Accessed 1 Mar. 2026.

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