Corona Borealis
noun
Corona Bo·re·al·is -ˌbȯr-ē-ˈa-ləs 
: a northern constellation between Hercules and Boötes
Word History
Etymology
borrowed from New Latin Corōna Boreālis (genitive Corōnae Boreālis), literally, "northern crown"
First Known Use
1615, in the meaning defined above