Cassiopeia
noun
Cas·si·o·pe·ia
ˌka-sē-ə-ˈpē-ə 
1
: the wife of King Cepheus who gives birth to Andromeda and is later changed into a constellation
2
[Latin (genitive Cassiopeiae), from Greek Kassiopeia]
: a northern constellation between Andromeda and Cepheus
Examples of Cassiopeia in a Sentence
Recent Examples on the Web
The constellation Cepheus is not nearly as bright as Cassiopeia and looks nothing like a king.
—
Mike Lynch, Twin Cities, 9 Feb. 2025
Similar-sounding names: Cassidy, Cassiopeia, Callista, Alessia, Carissa, Celestia, Catriona, Cecilia, Carys, Clarissa
12.
—Ryan Brennan, Fort Worth Star-Telegram, 30 Jan. 2025
From the blues and golds of the breathtaking Southern Ring Nebula to the pinks, oranges and purples of the Cassiopeia A supernova remnant, James Webb Space Telescope (JWST) images render the universe in brilliant color.
—Rebecca Sohn, Space.com, 16 Jan. 2025
In the astronomy category, photographer Imran Sultan captured the intricate details of two nebulae in the Cassiopeia constellation found more than 7,000 light years away.
—Rosa Rahimi, CNN, 3 Dec. 2024
Like Cassiopeia, the Big Dipper is also circumpolar, so the two are always opposite in the northern night sky.
—Jamie Carter, Forbes, 9 Sep. 2024
In Dallas-Fort Worth, look north and find the constellation Cassiopeia.
—Tasha Tsiaperas, Axios, 15 Aug. 2024
There, in his observatory, Brahe discovered a supernova in the Cassiopeia formation and irregularities in the moon’s orbit, long before the invention of the telescope in 1608.
—Sonja Anderson, Smithsonian Magazine, 2 Aug. 2024
If the Chrysalis is still a dusty construction site, the nearby Cassiopeia is a hive of activity.
—Adrian Cho, science.org, 18 July 2024
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Mike Lynch, Twin Cities, 9 Feb. 2025
Similar-sounding names: Cassidy, Cassiopeia, Callista, Alessia, Carissa, Celestia, Catriona, Cecilia, Carys, Clarissa
12.
—Ryan Brennan, Fort Worth Star-Telegram, 30 Jan. 2025
From the blues and golds of the breathtaking Southern Ring Nebula to the pinks, oranges and purples of the Cassiopeia A supernova remnant, James Webb Space Telescope (JWST) images render the universe in brilliant color.
—Rebecca Sohn, Space.com, 16 Jan. 2025
In the astronomy category, photographer Imran Sultan captured the intricate details of two nebulae in the Cassiopeia constellation found more than 7,000 light years away.
—Rosa Rahimi, CNN, 3 Dec. 2024
Like Cassiopeia, the Big Dipper is also circumpolar, so the two are always opposite in the northern night sky.
—Jamie Carter, Forbes, 9 Sep. 2024
In Dallas-Fort Worth, look north and find the constellation Cassiopeia.
—Tasha Tsiaperas, Axios, 15 Aug. 2024
There, in his observatory, Brahe discovered a supernova in the Cassiopeia formation and irregularities in the moon’s orbit, long before the invention of the telescope in 1608.
—Sonja Anderson, Smithsonian Magazine, 2 Aug. 2024
If the Chrysalis is still a dusty construction site, the nearby Cassiopeia is a hive of activity.
—Adrian Cho, science.org, 18 July 2024
Dictionary Entries Near Cassiopeia
Cite this Entry
“Cassiopeia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Cassiopeia. Accessed 23 Feb. 2025.
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Cassiopeia
noun
Cas·si·o·pe·ia
ˌkas-ē-ə-ˈpē-(y)ə
: a northern group of stars between Andromeda and Cepheus
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