Cassiopeia

[ kas-ee-uh-pee-uh ]

/ ˌkæs i əˈpi ə /

Save This Word!

noun, genitive Cas·si·o·pe·iae

[kas-ee-uh-pee-ee] /ˌkæs i əˈpi i/ for 1.

Astronomy. a northern constellation between Cepheus and Perseus.

Classical Mythology. the wife of Cepheus and mother of Andromeda.

QUIZ

CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?

There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?

Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

TAKE THE QUIZ TO FIND OUT

OTHER WORDS FROM Cassiopeia

Cas·si·o·pe·ian, adjective

Words nearby Cassiopeia

Cassini, Cassini division, Cassino, Cassiodorus, cassiope, Cassiopeia, Cassirer, cassis, cassiterite, Cassius, Cassius Longinus

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use Cassiopeia in a sentence

The two here are 7,500 light-years away and are known as the Double Cluster, located halfway between the bright stars in the constellations Perseus and Cassiopeia.
Celestial objects you can spot from your backyard|Jessica Boddy|December 16, 2020|Popular-Science
Cassiopeia was said to have been an Ethiopian; and was, therefore, in spite of her boasted beauty black.
Stories of Old Greece and Rome|Emilie Kip Baker
I advise any who's been in love with a woman under Cassiopeia to go and think about her under the Southern Cross.
Tales Of Men And Ghosts|Edith Wharton
Thus might Cassiopeia, glass in hand, in her golden chair sit in high heaven!
The History of Sir Richard Calmady|Lucas Malet

This star of great size and unwonted brilliancy appeared in the Chair of Cassiopeia.
Terrestrial and Celestial Globes Vol II|Edward Luther Stevenson
Her mother, Cassiopeia, had boasted that she was fairer than Juno and the Nereides.
The Student's Mythology|Catherine Ann White

British Dictionary definitions for Cassiopeia (1 of 2)

Cassiopeia¹

/ (ˌkæsɪəˈpiːə) /

noun

Greek myth the wife of Cepheus and mother of Andromeda

British Dictionary definitions for Cassiopeia (2 of 2)

Cassiopeia²

/ (ˌkæsɪəˈpiːə) /

noun Latin genitive Cassiopeiae (ˌkæsɪəˈpiːiː)

a very conspicuous W-shaped constellation near the Pole Star. Cassiopeia A is a very strong radio and X-ray source, identified as the remnant of a supernova thought to have occurred in the late 17th century

Derived forms of Cassiopeia

Cassiopeian, adjective

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

Scientific definitions for Cassiopeia

Cassiopeia

[ kăs′ē-ə-pē′ə ]

A W-shaped constellation in the Northern Hemisphere near Andromeda and Cepheus.