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The planet Venus, when appearing as the morning star; Lucifer. [Poetic] Pope. Tennyson.

nt of two photographic cameras, the plates of which may be brought into exactly the same plane, used in surveying and map making. From the differences between two pictures taken at the same moment, measurements in all dimensions of the region may be obtained.

to pick up news.(c) to acquire (an infectious disease); as, to pick up a cold on the airplane. (d) To meet (a person) and induce to accompany one; as, to pick up a date at the mall. [See several other defs in MW10]

A plane parallel to two of the crystalline axes.

s where the two sloping sides with the span form an equilateral triangle. -- Pitch of a plane (Carp.), the slant of the cutting iron. -- Pitch pipe, a wind instrument used by choristers in regulating the pitch of a tune. -- Pitch point (Gearing), the point of contact of the pitch lines of two gears, or of a rack and…

Having an oblique spiral arrangement of planes, as levogyrate and dextrogyrate crystals.

Without elevations or depressions; flat; level; smooth; even. See Plane. The crooked shall be made straight, and the rough places plain. Isa. xl. 4.

A draught or form; properly, a representation drawn on a plane, as a map or a chart; especially, a top view, as of a machine, or the representation or delineation of a horizontal section of anything, as of a building; a graphic representation; a diagram.

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.