The settler is a calm pool downstream of the mixer where the liquids are allowed to separate by gravity.

Following the calm pool the river constricts slightly as it makes a large right turn and a great eddy line is formed to practice in.

"If you throw a rock into a calm pool of water, everything will start to change."

There is a large, calm pool, below the bridge; then the river narrows, rushing quickly through a rapid stream into a broad, smooth run.

There was water, a great calm blue pool of it, stretching halfway to the horizon, utterly unexpected in this dry old place.

The rosy peaks and the calm pool vanished also.

The park offers a variety of swimming areas ranging from deep, calm pools to shallow coves.

Joy broke through the hope, a hot, bubbling geyser through a calm pool.

His dark face was a calm pool.

But there was spray on a boulder in a calm pool.