A concrete flat slab is an example of a plate.

At the lowest level a guard sat on a great flat slab of rock.

But there are flat slabs to sit and enjoy the serenity of the place.

They are flying over flat brown slabs of rock, darkening into blue.

The seat was made by two flat slabs placed one on top of the other.

In the center was a large flat slab of stone propped waist high.

Don Juan urged me to sit down on the flat slab.

The flat slab can extend for hundreds of to over a thousand kilometers.

One large flat slab of coal was giving him trouble.

There is a flat slab on the top, that can be used as a helipad.