reservoir *
body of water
water region

But their attention was not held by the body of water.

The first thing to do is to look for a body of water.

Almost as if it were a running body of water.

That is very clear for any natural body of water.

You're about to share a small body of water with people you don't know.

Such a large body of water, and we were so alone there.

It can also mean a body of water that people have made.

While you're at it, tell me where this body of water came from?

Many of them live close to the large water bodies.

At that time it was almost a body of fresh water.