Con"cave [L. concavus; con- + cavus hollow: cf. F. concave. See Cave a hollow.]


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.


Hollow; void of contents.


As concave . . . as a worm-eaten nut. Shak.


© Webster 1913.

Con"cave, n. [L. concavum.]


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.


© Webster 1913.

Con"cave, v. t. [imp. & p. p. concaved (); p. pr.& vb. n. Concaving.]

To make hollow or concave.


© Webster 1913.

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