English to English
concave
(k/A/n'k/eI/v
)
adjective (a)
- Hollow and curved or rounded; vaulted; -- said of the interior of a curved surface or line, as of the curve of the of the inner surface of an eggshell, in opposition to convex; as, a concave mirror; the concave arch of the sky.(adjective)source: webster1913
noun (n)
- A hollow; an arched vault; a cavity; a recess.(noun)source: webster1913
verb (v)
- To make hollow or concave.(verb)source: webster1913