lagoon
//ləˈɡuːn//
Noun
lagoonSingular
lagoonsPlural
1
A shallow body of water separated from a larger sea or ocean by a barrier such as a coral reef or sandbar.
The tropical island is surrounded by a beautiful blue lagoon.
2
A small freshwater lake near a larger lake or river.
We discovered a peaceful lagoon near the main river where we could fish.
3
An artificial pool used for treating wastewater or storing liquids.
The factory built a lagoon to treat its industrial wastewater.