the GNU version of the Collaborative International Dictionary of English
n. 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.
The Century Dictionary and Cyclopedia
n. A swindling better or book-maker on a race-track; one who absconds without paying his losses, or what is due to others on account of money deposited with him for betting. Also written welcher.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. someone who swindles you by not repaying a debt or wager
Word Usage
"One of them was the "welsher," Ben Davis; the other, a smaller, quieter man, with a keen, vivacious Hebrew eye and an olive-tinted skin, a"