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Box, etc. -- Girder bridge. See under Bridge. -- Lattice girder, a girder consisting of longitudinal bars united by diagonal crossing bars. -- Half-lattice girder, a girder consisting of horizontal upper and lower bars connected by a series of diagonal bars sloping alternately in opposite directions so as to divide…

To cut or form into small longitudinal hollows; to channel. Shak.

A trussed frame extending fore and aft, usually above deck, and intended to increase the longitudinal strength and stiffness. Used chiefly in American river and lake steamers. Called also hogging frame, and hogback.

A longitudinal timber, or series of timbers scarfed together, extending from stem to stern along the bottom of a vessel. It is the principal timber of the vessel, and, by means of the ribs attached on each side, supports the vessel's frame. In an iron vessel, a combination of plates supplies the place of the keel of a…

Keel-shaped; having a longitudinal prominence on the back; as, a keeled leaf.

re or stress at right angles to the length, as of a beam or bridge; -- distinguished from longitudinal pressure or stress. -- Lateral strength (Mech.), strength which resists a tendency to fracture arising from lateral pressure. -- Lateral system (Bridge Building), the system of horizontal braces (as between two vert…

A system of bars crossing in the middle to form braces between principal longitudinal members, as of a strut.

it, at the instant when the valve opens to admit steam. -- Lead screw (Mach.), the main longitudinal screw of a lathe, which gives the feed motion to the carriage.

In the direction of the length; in a longitudinal direction.

Marked longitudinally with depressed parallel lines; as, a lineate leaf.

Marked longitudinally with fine lines. Gray.

A fibrous and muscular band lying within the longitudinal axis of the tongue in many mammals, as the dog.

(Melocactus) having a fleshy and usually globose stem with the surface divided into spiny longitudinal ridges, and bearing at the top a prickly and woolly crown in which the small pink flowers are half concealed. M. communis, from the West Indies, is often cultivated, and sometimes called Turk's cap. (b) The related ge…

A genus of Foraminifera, having a porcelanous shell with several longitudinal chambers.

an unsegmented bilateral body, with most of the organs and parts paired, but not repeated longitudinally. Most of them develop a mantle, which incloses either a branchial or a pulmonary cavity. They are generally more or less covered and protected by a calcareous shell, which may be univalve, bivalve, or multivalve.…

ansverse pressure, at which the fibers are neither stretched nor compressed, or where the longitudinal stress is zero. See Axis. -- Neutral equilibrium (Mech.), the kind of equilibrium of a body so placed that when moved slighty it neither tends to return to its former position not depart more widely from it, as a per…

A longitudinal rank, or row, of leaves along a stem.

Having the shape of an egg, or of the longitudinal sectior of an egg, with the broader end basal. Gray.

ich the ancient Egyptians wrote. It was formed by cutting the stem of the plant into thin longitudinal slices, which were gummed together and pressed.

pindle which is its axis. Lantern pinion. See under Lantern. -- Pinion wire, wire fluted longitudinally, for making the pinions of clocks and watches. It is formed by being drawn through holes of the shape required for the leaves or teeth of the pinions.