The bar is the flat side of a huge log, sliced down the middle.

A special piece of glass with three flat sides will do this.

Then place the bananas, flat side down, in the butter.

It was like stepping around the edge of a box from one flat side to the other.

The flat side of the rock was in deep shadow.

He lifted out a short bar of three flat sides.

There was a tall rock near by, with a flat side facing toward her.

The reason is that the flat side has a greater surface area (less pressure) and so it does not cut the fruit.

Chairs are always used flat side first - using the edge would be dangerous.

The tray must have at least one flat side for the light to pass through.