Definition of "cassino"

In this case business was of the same opinion as love. Pachetti's word was worth a thousand piastres any day; and his cassino on the coast had a very different appearance from his small dark house on the Strada.

1831, L[etitia] E[lizabeth] L[andon], chapter XI, in Romance and Reality. […], volume III, London: Henry Colburn and Richard Bentley, […], page 220