Concave

[Con·cave]

Concave describes an inward curve; its opposite, convex, describes a curve that bulges outward. They are used to describe gentle, subtle curves, like the kinds found in mirrors or lenses.

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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.

Adjective
curving inward

a.
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.

a.
Hollow; void of contents.

n.
A hollow; an arched vault; a cavity; a recess.

n.
A curved sheath or breasting for a revolving cylinder or roll.

v. t.
To make hollow or concave.

Concave

Con"cave (? ∨ ?; 277), a. [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.

Concave

Con"cave, n. [L. concavum.] 1. A hollow; an arched vault; a cavity; a recess.
Up to the fiery concave towering hight.
2. (Mech.) 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.] To make hollow or concave.

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.

A hollow; an arched vault; a cavity; a recess.

To make hollow or concave.

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Usage Examples
Misspelled Form

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