1. [ noun ] a sudden happening that brings good fortune (as a sudden opportunity to make money)
Synonyms: bonanza goldmine manna_from_heaven bunce godsend gravy windfall boom

"the demand for testing has created a boom for those unregulated laboratories where boxes of specimen jars are processed like an assembly line"

Related terms: happening
2. [ noun ] a large migration of people to a newly discovered gold field
Related terms: migration
Similar spelling:   Golder