salt mine

English Thesaurus

1. a job involving drudgery and confinement (noun.act)

hypernym	:	business, job, line, line of work, occupation,
definition	:	the principal activity in your life that you do to earn money (noun.act)

2. a mine where salt is dug (noun.artifact)

hypernym	:	mine,
definition	:	excavation in the earth from which ores and minerals are extracted (noun.artifact)