concave Meaning, Definition & Usage

Con"cave adjective

Etymology

L. concavus; con- + cavus hollow: cf. F. concave. See Cave a hollow.

Definitions

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.

Con"cave noun

Etymology

L. concavum.

Definitions

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 transitive verb

Wordforms

imperfect & past participle concaved ; present participle & verbal noun Concaving

Definitions

1. To make hollow or concave.