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rection of a line drawn through it from a given point of sight, or central point; as, the projection of a sphere. The several kinds of projection differ according to the assumed point of sight and plane of projection in each.

The projection formed by the thyroid cartilage in the neck. It is particularly prominent in males, and is so called from a notion that it was caused by the forbidden fruit (an apple) sticking in the throat of our first parent. -- Adam's flannel (Bot.), the mullein (Verbascum thapsus). -- Adam's needle (Bot.), the pop…

An orthographic projection of the sphere on the plane of the meridian, the eye being supposed at an infinite distance, and in the east or west point of the horizon.

A distorted or monstrous projection or representation of an image on a plane or curved surface, which, when viewed from a certain point, or as reflected from a curved mirror or through a polyhedron, appears regular and in proportion; a deformation of an image.

A stereographic projection of the sphere on the plane of a great circle, as the equator, or a meridian; a planisphere. Whewell.

or appendages like the ear; shaped like the ear; auricled. (b) (Zoöl.) Having an angular projection on one or both sides, as in certain bivalve shells, the foot of some gastropods, etc. Auriculate leaf, one having small appended leaves or lobes on each side of its petiole or base.

Pertaining to projection, or to a projectile. Ballistic pendulum, an instrument consisting of a mass of wood or other material suspended as a pendulum, for measuring the force and velocity of projectiles by means of the arc through which their impact impels it.

ch.), an architrave, pier, etc., of which the regular profile is interrupted by blocks or projections crossing it at right angles.

Paps, or little projections, of the mucous membrane, which mark the opening of the submaxillary glands under the tongue in horses and cattle. The name is mostly applied when the barbs are inflamed and swollen. [Written also barbel and barble.]

The lower part of a wall, pier, or column, when treated as a separate feature, usually in projection, or especially ornamented.

A continuous slight projection ending in an arris or narrow fillet; that part of a drip from which the water is thrown off.

Having two earlike projections at its base, as a leaf.

Having two keel-like projections, as the upper palea of grasses.

Having two fingers or fingerlike projections.

An animated picture machine for screen projection; a cinematograph.

An animated picture machine for screen projection; a cinematograph (which see).

A metallic canopy, or projection, over an opening, as a fireplace, or a cowl or hood to increase the draught of a chimney, etc.

that of the work or of the same, as upon a buckler or bridle; a stud; a knob; the central projection of a shield. See Umbilicus.

A thin nail, usually small, with a slight projection at the top on one side instead of a head; also, a small wire nail, with a flat circular head; sometimes, a small, tapering, square-bodied finishing nail, with a countersunk head.

ridge or mound of earth. [Prow. Eng.] Wright. Cam wheel (Mach.), a wheel with one or more projections (cams) or depressions upon its periphery or upon its face; one which is set or shaped eccentrically, so that its revolutions impart a varied, reciprocating, or intermittent motion.