"Salted water" refers to water that has salt added to it. It is commonly used for cooking or as a solution for soothing minor mouth irritations. Full definition
The sand between your toes, the sun beating down, and the smell of salt water in the air makes you wonder why can't everything in life be this simple? (getdodge.com)
(Or if you prefer to boil your potatoes, boil in salted water for about 10 minutes). (fortysomething.ca)
Meanwhile, cook spinach in a medium pot of boiling salted water until just cooked through, about 1 minute. (epicurious.com)