|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"
|2.||[ noun ] a good source of something that is desired|
|3.||[ noun ] (geology,work,mining) a mine where gold ore is found|