- 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
Examples from the Web for gold-mine
Historical Examples of gold-mine
If it is, I would rather own that property than any gold-mine I know of.'A Woman Intervenes
Have you any more of the gold-mine stock you offered me some time ago?Patchwork
Anna Balmer Myers
Porportuk was bourgeois, and Porportuk bought him out of the gold-mine.Lost Face
She represented his gold-mine, without which he had no means of living.Chatterbox, 1906
And when Gustus is twenty-one he will have half the money that came from the gold-mine.The Magic World
- a place where gold ore is mined
- a source of great wealth, profit, etc
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]