gold rush

Noun gold rush has 2 senses

• gold rush(n = noun.event) bonanza, boom, bunce, godsend, gravy, manna from heaven, windfall - 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"
is a kind of happening, natural event, occurrence, occurrent

• gold rush(n = noun.act) Array - a large migration of people to a newly discovered gold field; Array
is a kind of migration