E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Hercules (3 syl.),
in astronomy, a large northern constellation.
1
Those stars in the neighbourhood of Hercules are mostly found to be approaching the earth, and those which lie in the opposite direction to be receding from it.Newcomb: Popular Astronomy, part iv. chap. i. p. 458.