CONCAVE
Con"cave ( or ; 277), a. Etym: [L. concavus; con- + cavus hollow: cf.
F. concave. See Cave a hollow.]
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 sky.
2. Hollow; void of contents. [R.] As concave . . . as a worm-eaten nut. Shak.
CONCAVE
Con"cave, n. Etym: [L. concavum.]
1. A hollow; an arched vault; a cavity; a recess. Up to the fiery concave towering hight. Milton.
2. (Mech.)
Defn: A curved sheath or breasting for a revolving cylinder or roll.
CONCAVE
Con"cave, v. t. [imp. & p. p. concaved (; p. pr.& vb. n. Concaving.]
Defn: To make hollow or concave.
CONCAVED
Con"caved, a. (Her.)