Salines refers to places where salt is obtained through the process of evaporating seawater or a saltwater lake. Synonyms for this word include salt pans, salt mines, salt flats, saltworks, and salt marshes. Salt pans are shallow depressions that are filled with seawater and left to evaporate. Salt mines refer to underground salt deposits that are mined for salt. Salt flats and salt marshes are areas where salt is deposited on the ground due to evaporation. Saltworks are places where salt is produced commercially. These synonyms for salines may be used interchangeably but each refers to a slightly different type of place where salt is obtained.