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[den-eb] /ˈdɛn ɛb/
noun, Astronomy.
a first-magnitude star in the constellation Cygnus.
Origin of Deneb
First recorded in 1865-70, Deneb is from the Arabic word dhanab a tail Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for Deneb
Historical Examples
  • They'd originally been found on a planet in the Deneb area, and they were engaging and friendly small animals.

    This World Is Taboo Murray Leinster
  • But obviously, since he was weightless, he was not on Deneb IV.

    A Place in the Sun C.H. Thames
  • Overhead Altair formed a great triangle with Deneb and Vega.

    First on the Moon Jeff Sutton
  • Above him was the enormous triangle formed by Deneb, Vega, and Altair.

  • A bit arbitrary, perhaps, but for the good of Dr. Hoyt and Deneb in the long run, just as it had been for himself.

    No Charge for Alterations Horace Leonard Gold
  • If Deneb cannot keep pace with the changes, that could explain the feeling.

    Earthsmith Milton Lesser
  • Bart's mother had been a Mentorian—from the planet Mentor, of the star Deneb, a hundred times brighter than the sun.

    The Colors of Space Marion Zimmer Bradley
  • Now this beautiful star, Deneb, is the top of the Northern Cross.

  • Deneb, the brightest star in the cross, is at the top of the long stick.

  • Orkap of Deneb walked toward them past the first of the jets.

British Dictionary definitions for Deneb


the brightest star in the constellation Cygnus and one of the brightest but remotest stars in the night sky. Visual magnitude: 1.25; spectral type: A2I
Word Origin
C19: from Arabic dhanab a tail
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for Deneb

1867, bright star in the tail of the constellation Cygnus the Swan, from Arabic Al Dhanab al Dajajah "the Hen's Tail."

Online Etymology Dictionary, © 2010 Douglas Harper
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Deneb in Science
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. See Note at Rigel.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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