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

That steam is the brightest part of the Milky Way band that runs from Sagittarius in the south to the constellation Cassiopeia in the north. — Mike Lynch, Twin Cities, 31 May 2026

There’s also Cassiopeia the Queen, resembling a big W, in the low northwestern sky. — Mike Lynch, Twin Cities, 3 May 2026

Constellations close to Polaris like Ursa Major and Minor, as well as Cassiopeia the Queen and Cepheus the King, make a tight daily circle around the North Star. — Mike Lynch, Twin Cities, 19 Apr. 2026

Just look for the easily visible constellation Cassiopeia the Queen. — Mike Lynch, Twin Cities, 5 Apr. 2026

Word History

Etymology

Latin, from Greek Kassiopeia

First Known Use

1596, in the meaning defined at sense 1

Rhymes for Cassiopeia

• atypia
• cinerea
• cytherea
• diarrhea
• diarrhoea
• dulcinea
• eimeria
• eulalia
• galatea
• galleria
• gonorrhea
• gonorrhoea

Kids Definition

Cassiopeia

noun

Cas·​si·​o·​pe·​ia ˌkas-ē-ə-ˈpē-(y)ə 

: a northern group of stars between Andromeda and Cepheus