saltpan

/ˈsɔltˌpæn/
noun
  1. A shallow basin or depression where salt water evaporates, leaving behind salt that can be collected.
    • Birds often gather around saltpans to feed on small crustaceans.
    • The ancient saltpan near the coast has been used for centuries to harvest sea salt.
    • Workers raked the salt from the bottom of the saltpan after the water had dried up.