salt ‧ wa ‧ ter /ˈsɔːltˌwɔːtə $ -ˌwɒːtər, -ˌwɑː-/ BrE AmE adjective [only before noun]
1 . living in salty water or in the sea OPP freshwater :
saltwater fish
2 . containing salt water OPP freshwater :
a saltwater lake
salt ‧ wa ‧ ter /ˈsɔːltˌwɔːtə $ -ˌwɒːtər, -ˌwɑː-/ BrE AmE adjective [only before noun]
1 . living in salty water or in the sea OPP freshwater :
saltwater fish
2 . containing salt water OPP freshwater :
a saltwater lake
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012