Definition of Corona Borealis in English:
 Corona Borealis
proper nounkəˌrəʊnə ˌbɔːrɪˈeɪlɪskəˌrōnə bôrēˈaləs
Astronomy 1A northern constellation (the Northern Crown), in which the main stars form a small but prominent arc.
- 1.1as genitive Coronae Borealis" /kəˌrəʊni, -nʌɪ/ or "Coronae Used with preceding letter or numeral to designate a star in the constellation Corona Borealis.
 the star R Coronae Borealis
 
  Definition of Corona Borealis in US English:
 Corona Borealis
proper nounkəˌrōnə bôrēˈaləs
Astronomy 1A northern constellation (the Northern Crown), in which the main stars form a small but prominent arc.
- 1.1as genitive Coronae Borealis /kəˈrōnē, -ˌnī/ Used with preceding letter or numeral to designate a star in the constellation Corona Borealis.
 the star R Coronae Borealis