D defs.my
Entry 1 sense Webster, 1913

Cassiopeia

/kăs′ē-ō-pē′yə/ · Cas·si·o·pe·ia · IPA /ˌkæs.i.əˈpiː.ə/
01 n. A constellation of the northern hemisphere, situated between Cepheus and Perseus; -- so called in honor of the wife of Cepheus, a fabulous …
  1. 1.
    A constellation of the northern hemisphere, situated between Cepheus and Perseus; -- so called in honor of the wife of Cepheus, a fabulous king of Ethiopia.(Astron.)
Phrases & compounds
Cassiopeia's Chair — a group of six stars, in Cassiopeia, somewhat resembling a chair.