Gold rush has 3 different meanings across 1 category:
Noun
Noun
1
a sudden happening that brings good fortune (as a sudden opportunity to make money)
"the demand for testing has created a boom for those unregulated laboratories where boxes of specimen jars are processed like an assembly line"
2
a large migration of people to a newly discovered gold field
3
Any period of feverish migration into an area in which gold has been discovered.
Broader Terms (hypernyms)