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Of or pertaining to a plane. [R.]

Combining forms signifying flat, level, plane; as planifolious, planimetry, plano-concave.

Having a plane surface; as, a planiform, gliding, or arthrodial articulation.

An instrument for measuring the area of any plane figure, however irregular, by passing a tracer around the bounding line; a platometer.

The mensuration of plane surfaces; -- distinguished from stereometry, or the mensuration of volumes.

a. & vb. n. fr. Plane, v. t. Planing machine. (a) See Planer.

To make smooth or plane, as a metallic surface; to condense, toughen, and polish by light blows with a hammer.

The representation of the circles of the sphere upon a plane; especially, a representation of the celestial sphere upon a plane with adjustable circles, or other appendages, for showing the position of the heavens, the time of rising and setting of stars, etc., for any given date or hour.

Plane or flat on one side, and concave on the other; as, a plano-concave lens. See Lens.

Plane or flat on one side, and conical on the other. Grew.

Plane or flat on one side, and convex on the other; as, a plano-convex lens. See Convex, and Lens.

Plane or flat on one side, and spherical on the other.

An instrument for gauging or testing a plane surface. See Surface gauge, under Surface.

The art or process of producing or gauging a plane surface.

The plane tree. Tennyson.

A genus of trees; the plane tree.

The movable table of a machine tool, as a planer, on which the work is fastened, and presented to the action of the tool; -- also called table.

A joiner's plane for making grooves; a grooving plane.

e; poems collectively; as, heroic poetry; dramatic poetry; lyric or Pindaric poetry. "The planetlike music of poetry." Sir P. Sidney. She taketh most delight In music, instruments, and poetry. Shak.

With artillery, the point where the projectile first strikes the horizontal plane on which the gun stands, the axis of the piece being horizontal.