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With all small arms, the second point in which the natural line of sight, when horizontal, cuts the trajectory.

s (Opt.), the point where the principal axis meets the surface. -- Pole plate (Arch.), a horizontal timber resting on the tiebeams of a roof and receiving the ends of the rafters. It differs from the plate in not resting on the wall.

cupine wood (Bot.), the hard outer wood of the cocoa palm; -- so called because, when cut horizontally, the markings of the wood resemble the quills of a porcupine.

Extended horizontally; stretched out.

salem, mentioned in Matt. xxvii. 7. -- Potter's ore. See Alquifou. -- Potter's wheel, a horizontal revolving disk on which the clay is molded into form with the hands or tools. "My thoughts are whirled like a potter's wheel." Shak. Potter wasp (Zoöl.), a small solitary wasp (Eumenes fraternal) which constructs a glob…

In root construction, a horizontal member supported on the principals and supporting the common rafters.

scopic sights, and usually having a plumb line or spirit level for fixing the vertical or horizontal direction. Gunner's quadrant, an instrument consisting of a graduated limb, with a plumb line or spirit level, and an arm by which it is applied to a cannon or mortar in adjusting it to the elevation required for attain…

To adjust (a gun) on its carriage; also, to train (a gun) for horizontal firing.

A bar of timber or metal, usually horizontal or nearly so, extending from one post or support to another, as in fences, balustrades, staircases, etc.

hin limits; to be capable of projecting, or to admit of being projected, especially as to horizontal distance; as, the temperature ranged through seventy degrees Fahrenheit; the gun ranges three miles; the shot ranged four miles.

he angle which the plane of the dial makes with a vertical plane which it intersects in a horizontal line. Brande & C.

A device consisting of radial arms with horizontal stats, connected with a harvesting machine, for holding the stalks of grain in position to be cut by the knives. Reel oven, a baker's oven in which bread pans hang suspended from the arms of a kind of reel revolving on a horizontal axis. Knight.

oof, etc. (Arch.) See under Bell, French, etc. -- Flat roof. (Arch.) (a) A roof actually horizontal and level, as in some Oriental buildings. (b) A roof nearly horizontal, constructed of such material as allows the water to run off freely from a very slight inclination. -- Roof plate. (Arch.) See Plate, n., 10.…

Applied to the method delivering the ball in bowling, by swinging the arm horizontally. R. A. Proctor.

A horizontal wheel or frame, commonly with wooden horses, etc., on which children ride; a merry-go-round. Smart.

The horizontal distance to which a drift may be carried, either by license of the proprietor of a mine or by the nature of the formation; also, the direction which a vein of ore or other substance takes.

A horizontal channel in a mold, through which the metal flows to the cavity formed by the pattern; also, the waste metal left in such a channel.

The tincture black; -- represented by vertical and horizontal lines each other.

To sink, in the middle, by its weight or under applied pressure, below a horizontal line or plane; as, a line or cable supported by its ends sags, though tightly drawn; the floor of a room sags; hence, to lean, give way, or settle from a vertical position; as, a building may sag one way or another; a door sags on its h…

he bases of Ionic and Corinthian columns, generally without moldings, and of smaller size horizontally than the pedestal.