Arcturus

·noun A fixed star of the first magnitude in the constellation Bootes.

arcturus
arctūrus, i, m., = ἀρκτοῦρος. I As a star. A The brightest star in Bootes , whose rising and set...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
arcturus
arctūrus ī, m , ἀρκτοῦρος(bear-ward), the brightest star in Boötes, V. ...

An Elementary Latin Dictionary