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Definitions

Proper Noun

1. 1
   A red giant, visible as a second-magnitude orange star marking the breast of the figure in the northern constellation of Cassiopeia, a part of the constellation's prominent W asterism, used for celestial navigation.

Synonyms

All synonyms

alpha cassiopeiaeα casα cassiopeiae

Etymology

From Arabic صَدْر (ṣadr, “breast, chest”), in reference to its position within Cassiopeia.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.