\Cas`si*o*pe"ia\, n. [NL., fr. Gr. ?.] (Astron.)
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.
{Cassiopeia's Chair}, a group of six stars, in Cassiopeia,
   somewhat resembling a chair.