'money-spinner' definitions:

Definition of 'money-spinner'

From: WordNet
noun
A project that generates a continuous flow of money [syn: moneymaker, money-spinner, cash cow]

Definition of 'money-spinner'

From: GCIDE
  • money-spinner \money-spinner\ n. a project that generates a continuous flow of money.
  • Syn: moneymaker, cash cow. [WordNet 1.5]