Concaved

[adjective, verb kon-keyv, kon-keyv; noun kon-keyv] /adjective, verb kɒnˈkeɪv, ˈkɒn keɪv; noun ˈkɒn keɪv/

adjective
1.
curved like a segment of the interior of a circle or sphere; and curved.
Compare (def 1).
2.
Geometry. (of a polygon) having at least one interior angle greater than 180°.
3.
Obsolete. .
noun
4.
a concave surface, part, line, or thing.
5.
Machinery. a concave piece, as one against which a drum rotates.
verb (used with object), concaved, concaving.
6.
to make concave.
/ˈkɒnkeɪv; kɒnˈkeɪv/
adjective
1.
curving inwards
2.
(physics) having one or two surfaces curved or ground in the shape of a section of the interior of a sphere, paraboloid, etc: a concave lens
3.
(maths) (of a polygon) containing an interior angle greater than 180°
4.
an obsolete word for hollow
verb
5.
(transitive) to make concave
adj.

early 15c., from Old French concave (14c.) or directly from Latin concavus “hollow, arched, vaulted, curved,” from com-, intensive prefix (see com-), + cavus “hollow” (see cave (n.)).

concave con·cave (kŏn-kāv’, kŏn’kāv’)
adj.
Curved like the inner surface of a sphere. n.
A concave surface, structure, or line.
concave
(kŏn’kāv’)
Curved inward, like the inside of a circle or sphere.