Crux
/krʌks/1
- Astronomy the smallest constellation (the Cross or Southern Cross), but the most familiar one to observers in the southern hemisphere. It contains the bright star Acrux, the 'Jewel Box' star cluster, and most of the Coalsack nebula.
1.1
- as genitive Crucis /ˈkruːsɪs/ used with preceding letter or numeral to designate a star in this constellation与其前面的字母或数字连用以指称该星座中的星南十字座的：
the star Beta Crucis
南十字座β星。
词源
Latin.