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Cassiopeia

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

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Cas·si·o·pe·ian, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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
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-pēə ]

A W-shaped constellation in the Northern Hemisphere near Andromeda and Cepheus.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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