welsh BrE AmE , welch /welʃ $ welʃ, weltʃ/ verb [intransitive] informal
to not do something you have promised to do, such as paying someone money that you owe:
I never welch on my bets.
welsh BrE AmE , welch /welʃ $ welʃ, weltʃ/ verb [intransitive] informal
to not do something you have promised to do, such as paying someone money that you owe:
I never welch on my bets.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012