gold mine


noun

a mine yielding gold.
a source of great wealth or profit, or any desirable thing.
a copious source or reserve of something required: a gold mine of information about antiques.

Origin of gold mine

late Middle English word dating back to 1425–75

British Dictionary definitions for gold mine

gold mine

noun

a place where gold ore is mined
a source of great wealth, profit, etc

Derived forms of gold mine

gold-miner, noun gold-mining, noun

Idioms and Phrases with gold mine

gold mine

A rich, plentiful source of wealth or some other desirable thing, as in That business proved to be a gold mine, or She's a gold mine of information about the industry. [First half of 1800s]