E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Golden Cave.
Contained a cistern guarded by two giants and two centaurs; the waters of the cistern were good for quenching the fire of the cave; and when this fire was quenched the inhabitants of Scobellum would return to their native forms. (The Seven Champions, iii. 10.)