E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Boötes (Bo-o-tees),
or the ox-driver, a constellation. According to ancient mythology, Boötes invented the plough, to which he yoked two oxen, and at death, being taken to heaven with his plough and oxen, was made a constellation. Homer calls it the wagoner.