WordNet
n. a shape that curves or bends inward [syn: concavity, incurvation, incurvature]
Usage examples of "concave shape".
The butcher knives are usually ground down into a narrow, concave shape.
Here, as you see, a small, narrow blade, only about half an inch from tip to tip, but with a distinct concave shape.
As Bruce neared the opening he shifted to side-step to fit the narrow passage and the concave shape of the morning glory above.
As Bruce neared the opening he shifted to side - step to fit the narrow passage and the concave shape of the morning glory above.
He noted with interest that the pad narrowed to a concave shape, instead of being flat across the bottom.
If a woman has one pillow under her hips already and another is then placed under her head, the upper part of her body, a little over two feet in length, will be forced into a concave shape.