A sunken or depressed geological formation.
1 It is somewhat dished, with a natural depression 12 inches deep.
2 This is often followed by a natural depression , sleepiness, and reaction.
3 But from that time dear Bishop Patteson roused himself from his natural depression (for to whom could the loss be greater than to him?)
4 The roads across the ridge passed through its natural depressions , of which there were four within a distance of six miles from the harbor.
5 The plateau drains itself on every side by the natural depressions which intersect it, and there is space enough to build a Paris on.
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This collocation consists of: Translations for natural depression