salt mine
noun
a mine from which salt is excavated.
Usually salt mines.
a place of habitual confinement and drudgery: After two weeks of vacation it will be back to the salt mines for the staff.
Origin of salt mine
First recorded in 1675–85
Words nearby salt mine
Example sentences from the Web for salt mine
When you go to Salzburg (on which I congratulate you) you may go to see, if you like, the salt-mine of Hallein.
Letters to an Unknown |Prosper MrimeWhen and where was the first salt-mine established in England?