1. [ noun ] a sudden happening that brings good fortune (as a sudden opportunity to make money)
Synonyms: bonanza manna_from_heaven bunce godsend gold_rush 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 good source of something that is desired
Synonyms: gold_mine
Related terms: source
3. [ noun ] (geology,work,mining) a mine where gold ore is found
Synonyms: gold_mine
Related terms: mine
Similar spelling:   gold_mine