Etymology, English, Freshwater

Etymology

fresh +‎ water.

Adjective

freshwater (not comparable)

1. Living in fresh water.

    The trout is a freshwater fish.

2. Consisting of fresh water.

    Lake Baikal is the world’s largest freshwater lake in terms of volume.

3. (nautical) Unskilled as a seaman.

   a freshwater sailor

4. (economics) neoclassical, in reference to U.S. macroeconomics and economics departments near the Great Lakes.

   Synonym: sweetwater

Noun

freshwater (countable and uncountable, plural freshwaters)

1. (countable) A body of fresh water 
2. Alternative spelling of fresh water