Deneb
Americannoun
noun
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A white supergiant star. It is the brightest star in the constellation Cygnus, with an apparent magnitude of 1.26. Deneb, along with Vega and Altair, form the Summer Triangle asterism. Scientific name: Alpha Cygnus.
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See Note at Rigel
Etymology
Origin of Deneb
First recorded in 1865–70, Deneb is from the Arabic word dhanab a tail
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Its corners are marked by Vega in the constellation of Lyra, the Harp, Altair in Aquila, the Eagle and Deneb in Cygnus, the Swan.
From BBC ● Jun. 6, 2026
One of the easiest seasonal landmarks to find is the Summer Triangle, a large pattern formed by the bright stars Vega, Altair, and Deneb.
From Science Daily ● Jun. 3, 2026
Deneb is to its upper left, and Vega is higher up than both of them.
From Scientific American ● Jul. 14, 2023
Before he could unload the feed, a friend named Dyor Deneb approached with a wounded pigeon.
From Los Angeles Times ● Oct. 1, 2022
Mars has a tilt of just over 25 degrees, so it's pointed at Deneb.
From "The Martian" by Andy Weir
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