Welsher n. (Written also welcher) One who cheats at a horse race; one who bets, without a chance of being able to pay; one who receives money to back certain horses and absconds with it. (Slang, Eng.)
... "though I'm mostly called Welsher; but Wiltshire is the way it's spelt, if the people on the beach could only get their tongues about it. And what do I want? Well, I'll tell you the first thing. I'm what you call a sinner—what I call a sweep—and I want you to help me ... — The Works of Robert Louis Stevenson - Swanston Edition Vol. 17 (of 25) • Robert Louis Stevenson
...
