E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
The famous swimmer drowned in the pool of Charybdis. The tale says he dived once into the pool, and was quite satisfied with its horrors and wonders; but the King Frederick then tossed in a golden cup, which Pescecola dived for, and was never seen again. (See Schillers Diver.)