Cygnus

noun

Cyg·nus ˈsig-nəs

: a northern constellation between Lyra and Pegasus in the Milky Way

Word History

Etymology

Latin (genitive Cygni), literally, swan

First Known Use

1551, in the meaning defined above

Time Traveler

The first known use of Cygnus was in 1551

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Browse Nearby Words

cygnet

Cygnus

cyke

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Cite this Entry

Style

“Cygnus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Cygnus. Accessed 1 Jul. 2025.

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Kids Definition

Cygnus

noun

Cyg·nus ˈsig-nəs

: a northern group of stars near Pegasus in the Milky Way

Etymology

from Latin cygnus, literally, "swan"

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