adjective / noun
concave
kon-KAYV/kɑːnˈkeɪv/
Curving inward like the inside of a bowl, or a shape with this curve.
The wooden bowl has a broad concave interior that curves inward.
Etymology
The central image is a hollow: a concave surface curves inward like the inside of a bowl or vault. The prefix may simply strengthen that idea.
In context
one side has a rounded surface kind of a circular is surface and the other bone will have a concave surface
More examples
- A concave mirror curves inward at the center.
- The platter's concave surface keeps sauce from spilling.
- Light and shadow emphasize the concaves in the sculpture.
Forms
concave · concaves
concavity noun — The inward curvature of a surface.