Body of water and Estuary

Body of water noun - The part of the earth's surface covered with water (such as a river or lake or ocean).

Estuary and body of water are semantically related in nature topic. In some cases you can use "Estuary" instead a noun phrase "Body of water".

Estuary noun - The wide part of a river where it nears the sea; fresh and salt water mix.

Body of water and estuary are semantically related in nature topic. You can use "Body of water" instead a noun "Estuary".