WordNet
n. a shape created by natural forces; not man-made
Usage examples of "natural shape".
They were based on a natural characteristic of elk or deer: the hind leg bends so sharply at the gambrel joint it conforms to the natural shape of a human foot.
Their tails were plated with scales so sharp, I knew they must augment their natural shape with filing.
Behind him, Tuan Ti Fo turned and, stepping within the no-space, walked over to where his twin crouched, suspended in his natural shape.
But when my quest is done, I will be transformed back to my natural shape.
It was in fact a demon, compressed into step-form, and now it was resuming its natural shape.
Undisturbed, his bruised and sprained body rested, his face sank back into its natural shape and colour.
When her hand moves again, her fingers no longer flutter: they have grown wet, and slide, and in sliding seem, like her lips as they rub upon mine, to quicken and draw me, to gather me, out of the darkness, out of my natural shape.