Cassiopeian

adjective

Cas·​si·​o·​pe·​ian

¦kasēə¦pē(y)ən

: of or relating to the constellation Cassiopeia

Word History

Etymology

Cassiopeia, a northern constellation between Andromeda and Cepheus (from Latin Cassiopeia, Cassiepeia, from Greek Kassiopeia, Kassiepeia) + English -an

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!