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Any part of a mathematical instrument that moves or slides backward and forward upon another part.

A kind of slide valve. See Slide valve, under Slide.

shortest way to a point or end; as, a direct line; direct means. What is direct to, what slides by, the question. Locke.

A slender grooved instrument upon which a knife is made to slide when it is wished to limit the extent of motion of the latter, or prevent its injuring the parts beneath.

and cock. It consists of a tubular spout, stopped with a movable plug, spigot, valve, or slide.

fetch about; to fetch to windward. Totten. To fetch away (Naut.), to break loose; to roll slide to leeward. -- To fetch and carry, to serve obsequiously, like a trained spaniel.

lane onwhich a body is lying makes with a horizontal plane,when the hody is just ready to slide dewn the plane.

n. Did not his temples glow In the same sultry winds and acrching heats Addison. The cord slides swiftly through his glowing hands. Gay.

otball field. Gridiron pendulum. See under Pendulum. -- Gridiron valve (Steam Engine), a slide valve with several parallel perforations corresponding to openings in the seat on which the valve moves.

dhere. Our knees shall kneel till to the ground they grow. Shak. Growing cell, or Growing slide, a device for preserving alive a minute object in water continually renewed, in a manner to permit its growth to be watched under the microscope. -- Grown over, covered with a growth. -- To grow out of, to issue from, as p…

in tactics. Farrow. Guide bar (Mach.), the part of a steam engine on which the crosshead slides, and by which the motion of the piston rod is kept parallel to the cylinder, being a substitute for the parallel motion; -- called also guide, and slide bar. -- Guide block (Steam Engine), a block attached in to the crossh…

A machine for beheading a person by one stroke of a heavy ax or blade, which slides in vertical guides, is raised by a cord, and let fall upon the neck of the victim.

A topmast arranged with metal bands so that it will readily slide up and down the lower mast.

interruptedly or with halts, jerks, or steps; -- said of something obstructed or impeded. Slides into verse, and hitches in a rhyme. Pope. To ease themselves . . . by hitching into another place. Fuller.

cuckold's horn." Shak. Horn block, the frame or pedestal in which a railway car axle box slides up and down; -- also called horn plate. -- Horn of a dilemma. See under Dilemma. -- Horn distemper, a disease of cattle, affecting the internal substance of the horn. -- Horn drum, a wheel with long curved scoops, for ra…

An iron bar for a sheet traveler to slide upon.

l distance designed to work with a drop of liquid, as oil, between the front lens and the slide, so that this lens is practically immersed.

A slide, modulation, or accent of the voice; as, the rising and the falling inflection.

Small steel plates combined together so as to slide one upon the form a piece of armor.

The amount by which a slide valve at its half stroke overlaps a port in the seat, being equal to the distance the valve must move from its mid stroke position in order to begin to open the port. Used alone, lap refers to outside lap. See Outside lap (below).