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[sig-nuh s] /ˈsɪg nəs/
noun, genitive Cygni
[sig-nahy] /ˈsɪg naɪ/ (Show IPA).
the Swan, a northern constellation southwest of Draco, containing the bright star Deneb.
Origin of Cygnus
< Latin: swan; see cygnet Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for Cygnus
Contemporary Examples
Historical Examples
  • At midnight Scorpius and Cygnus are ready to claim the attention.

    A Field Book of the Stars William Tyler Olcott
  • "Sure, Cygnus," he muttered, and closed his eyes and dropped off to sleep.

    Master of None Lloyd Neil Goble
  • Cygnus, who was a poet, celebrated the death of his friend in verse, from whence the fable.

    The Lusiad Lus de Cames
  • I was looking at that ring in the constellation of Cygnus, being drawn there with persistence by some irresistible instinct.

    Lumen Camille Flammarion
  • In 1876 a temporary star appeared in the constellation Cygnus, and attained at one time the brightness of the second magnitude.

    Curiosities of the Sky Garrett Serviss
  • The central nucleus he locates in the rich Galactic region of Cygnus, with the sun well outside the nucleus itself.

    Astronomy David Todd
  • In the wild swan (Cygnus ferus) it is 60more deeply embedded in the adult male than in the female or young male.

  • Cygnus contains an unusual number of deeply colored stars and variable stars.

    A Field Book of the Stars William Tyler Olcott
British Dictionary definitions for Cygnus


noun (Latin genitive) Cygni (ˈsɪɡnaɪ)
a constellation in the N hemisphere lying between Pegasus and Draco in the Milky Way. The constellation contains the Cygnus Loop supernova remnant, the intense radio galaxy Cygnus A, and the intense galactic X-ray source Cygnus X–1, which is probably a black hole
Word Origin
Latin: swan; see cygnet
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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Cygnus in Science
A constellation in the Northern Hemisphere near Cepheus and Lyra. Cygnus (the Swan, or the Northern Cross) contains the bright star Deneb.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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