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Any projection or division, especially one of a somewhat rounded form; as:

A projection beneath the breech end of a gun barrel. In the lump, In a lump, the whole together; in gross. They may buy them in the lump. Addison. -- Lump coal, coal in large lumps; -- the largest size brought from the mine. -- Lump sum, a gross sum without a specification of items; as, to award a lump sum in satisfac…

A projection at the distal end of each bone of the leg at the ankle joint. The malleolus of the tibia is the internal projection, that of the fibula the external.

See under Chart, and see Mercator's projection, under Projection.

ridian; the easting or westing. -- Meridional parts, parts of the meridian in Mercator's projection, corresponding to each minute of latitude from the equator up to 70 or 80 degrees; tabulated numbers representing these parts used in projecting charts, and in solving cases in Mercator's sailing.

taken, and any dimension is said to be so many modules and minutes in height, breadth, or projection.

Any small projection or article in which there is an orifice for discharging a fluid, or for other purposes; as, the nipple of a nursing bottle; the nipple of a percussion lock, or that part on which the cap is put and through which the fire passes to the charge.

That part of the treadboard of a stair which projects over the riser; hence, any like projection, as the projecting edge of a molding.

A projection on each side of the shank of an anchor, to secure the stock in place. Check nut, Jam nut, Lock nut, a nut which is screwed up tightly against another nut on the same bolt or screw, in order to prevent accidental unscrewing of the first nut. -- Nut buoy. See under Buoy. -- Nut coal, screened coal of a siz…

-- Oblique case (Gram.), any case except the nominative. See Case, n. -- Oblique circle (Projection), a circle whose plane is oblique to the axis of the primitive plane. -- Oblique fire (Mil.), a fire the direction of which is not perpendicular to the line fired at. -- Oblique flank (Fort.), that part of the curtain…

A semicircular projection made at the shoulder of a bastion for the purpose of covering the retired flank, -- found in old fortresses.

angled; rectangular; as, an orthogonal intersection of one curve with another. Orthogonal projection. See under Orthographic.

An orthographic projection, sometimes partly in section, esp. of a building.

Of or pertaining to right lines or angles. Orthographic or Orthogonal, projection, that projection which is made by drawing lines, from every point to be projected, perpendicular to the plane of projection. Such a projection of the sphere represents its circles as seen in perspective by an eye supposed to be placed at…

according to orthographic projection.

A drawing in correct projection, especially an elevation or a vertical section.

Having the right form. Orthomorphic projection, a projection in which the angles in the figure to be projected are equal to the corresponding angles in the projected figure.

To hang over like a brow; to impend over. [Poetic] Longfellow. Did with a huge projection overbrow Large space beneath. Wordsworth.

In a general sense, that which just out or projects; a projection; also, the measure of the projection; as, the overhang is five feet.

A projection in the throat of such flowers as the snapdragon.