1 definition by CloudsInTheOcean

A place where salt and fresh water meet, brackish water. This is not a bay, estuaries do, however, exist on the edges of a bay. This is a delicate ecosystem that is used as a nursery for marine life. The estuary's appearance is a salt marsh
Look! There is an estuary on the edge of Mobile Bay!
by CloudsInTheOcean April 9, 2016
Get the Estuary mug.