'Welcher' definitions:
Definition of 'welcher'
From: WordNet
noun
Someone who swindles you by not repaying a debt or wager [syn: welcher, welsher]
Definition of 'welcher'
From: GCIDE
- Welsher \Welsh"er\, 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. [Written also welcher.] [Slang, Eng.] [1913 Webster]