4 Metaphors for outlet

Cromwell was hurried to that gloomy fortress whose outlet was generally the scaffold.

The only outlet was a steep trail over the summit of a hill that faced the cabin, now illuminated by the rising moon.

The outlet of this lake was the head of White River.

The outlet given by the crusaders to the overboiling ardor of these warlike countries was a source of infinite advantage to their internal economy; under the rapid progress of civilization, the population increased and the fields were cultivated.

4 Metaphors for  outlet