Definify.com
Webster 1913 Edition
Concave
Con′cave
(kŏṉ-kā-v′ or kŏn′-; 277)
, Adj.
1.
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 sky2.
Hollow; void of contents.
[R.]
As
concave
. . . as a worm-eaten nut. Shakespeare
Con′cave
,Noun.
[L.
concavum
.] 1.
A hollow; an arched vault; a cavity; a recess.
Up to the fiery
concave
towering hight. Milton.
2.
(Mech.)
A curved sheath or breasting for a revolving cylinder or roll.
Con′cave
,Verb.
T.
[
imp. & p. p.
concaved
; p. pr. & vb. n.
Concaving
.] To make hollow or concave.
Webster 1828 Edition
Concave
CONCAVE
,Adj.
1.
Hollow, and arched or rounded, as the inner surface of a spherical body; opposed to convex; as a concave glass.2.
Hollow, in a general sense; as the concave shores of the Tiber.3.
In botany, a concave leaf is one whose edge stands above the disk.CONCAVE
,Noun.
CONCAVE
,Verb.
T.