(Railroad) A wider distance between the rails than the “standard” gauge of four feet eight inches and a half. See Gauge. [ 1913 Webster ]

n. [ Written also gage. ] 1. A measure; a standard of measure; an instrument to determine dimensions, distance, or capacity; a standard. [ 1913 Webster ]

This plate must be a gauge to file your worm and groove to equal breadth by. Moxon. [ 1913 Webster ]

There is not in our hands any fixed gauge of minds. I. Taylor. [ 1913 Webster ]

2. Measure; dimensions; estimate. [ 1913 Webster ]

The gauge and dimensions of misery, depression, and contempt. Burke. [ 1913 Webster ]

3. (Mach. & Manuf.) Any instrument for ascertaining or regulating the dimensions or forms of things; a templet or template; as, a button maker's gauge. [ 1913 Webster ]

4. (Physics) Any instrument or apparatus for measuring the state of a phenomenon, or for ascertaining its numerical elements at any moment; -- usually applied to some particular instrument; as, a rain gauge; a steam gauge. [ 1913 Webster ]

5. (Naut.) (a) Relative positions of two or more vessels with reference to the wind; as, a vessel has the weather gauge of another when on the windward side of it, and the lee gauge when on the lee side of it. (b) The depth to which a vessel sinks in the water. Totten. [ 1913 Webster ]

6. The distance between the rails of a railway. [ 1913 Webster ]

☞ The standard gauge of railroads in most countries is four feet, eight and one half inches. Wide, or broad, gauge, in the United States, is six feet; in England, seven feet, and generally any gauge exceeding standard gauge. Any gauge less than standard gauge is now called narrow gauge. It varies from two feet to three feet six inches. [ 1913 Webster ]

7. (Plastering) The quantity of plaster of Paris used with common plaster to accelerate its setting. [ 1913 Webster ]

8. (Building) That part of a shingle, slate, or tile, which is exposed to the weather, when laid; also, one course of such shingles, slates, or tiles. [ 1913 Webster ]

Gauge of a carriage,
car, etc., the distance between the wheels; -- ordinarily called the track. --
Gauge cock, a stop cock used as a try cock for ascertaining the height of the water level in a steam boiler. --
Gauge concussion (Railroads), the jar caused by a car-wheel flange striking the edge of the rail. --
Gauge glass, a glass tube for a water gauge. --
Gauge lathe, an automatic lathe for turning a round object having an irregular profile, as a baluster or chair round, to a templet or gauge. --
Gauge point, the diameter of a cylinder whose altitude is one inch, and contents equal to that of a unit of a given measure; -- a term used in gauging casks, etc. --
Gauge rod, a graduated rod, for measuring the capacity of barrels, casks, etc. --
Gauge saw, a handsaw, with a gauge to regulate the depth of cut. Knight. --
Gauge stuff, a stiff and compact plaster, used in making cornices, moldings, etc., by means of a templet. --
Gauge wheel, a wheel at the forward end of a plow beam, to determine the depth of the furrow. --
Joiner's gauge, an instrument used to strike a line parallel to the straight side of a board, etc. --
Printer's gauge, an instrument to regulate the length of the page. --
Rain gauge, an instrument for measuring the quantity of rain at any given place. --
Salt gauge, or
Brine gauge, an instrument or contrivance for indicating the degree of saltness of water from its specific gravity, as in the boilers of ocean steamers. --
Sea gauge, an instrument for finding the depth of the sea. --
Siphon gauge, a glass siphon tube, partly filled with mercury, -- used to indicate pressure, as of steam, or the degree of rarefaction produced in the receiver of an air pump or other vacuum; a manometer. --
Sliding gauge. (Mach.) (a) A templet or pattern for gauging the commonly accepted dimensions or shape of certain parts in general use, as screws, railway-car axles, etc. (b) A gauge used only for testing other similar gauges, and preserved as a reference, to detect wear of the working gauges. (c) (Railroads) See Note under Gauge, n., 5. --
Star gauge (Ordnance), an instrument for measuring the diameter of the bore of a cannon at any point of its length. --
Steam gauge, an instrument for measuring the pressure of steam, as in a boiler. --
Tide gauge, an instrument for determining the height of the tides. --
Vacuum gauge, a species of barometer for determining the relative elasticities of the vapor in the condenser of a steam engine and the air. --
Water gauge. (a) A contrivance for indicating the height of a water surface, as in a steam boiler; as by a gauge cock or glass. (b) The height of the water in the boiler. --
Wind gauge, an instrument for measuring the force of the wind on any given surface; an anemometer. --
Wire gauge, a gauge for determining the diameter of wire or the thickness of sheet metal; also, a standard of size. See under Wire. [ 1913 Webster ]

v. t. [ imp. & p. p. Gauged p. pr. & vb. n. Gauging [ OF. gaugier, F. jauger, cf. OF. gauge gauge, measuring rod, F. jauge; of uncertain origin; perh. fr. an assumed L. qualificare to determine the qualities of a thing (see Qualify); but cf. also F. jalon a measuring stake in surveying, and E. gallon. ] [ Written also gage. ] [ 1913 Webster ]

1. To measure or determine with a gauge. [ 1913 Webster ]

2. To measure or to ascertain the contents or the capacity of, as of a pipe, barrel, or keg. [ 1913 Webster ]

3. (Mech.) To measure the dimensions of, or to test the accuracy of the form of, as of a part of a gunlock. [ 1913 Webster ]

The vanes nicely gauged on each side. Derham. [ 1913 Webster ]

4. To draw into equidistant gathers by running a thread through it, as cloth or a garment. [ 1913 Webster ]

5. To measure the capacity, character, or ability of; to estimate; to judge of. [ 1913 Webster ]

You shall not gauge me
By what we do to-night. Shak. [ 1913 Webster ]

a. Capable of being gauged. [ 1913 Webster ]

p. a. Tested or measured by, or conformed to, a gauge. [ 1913 Webster ]

Gauged brick, brick molded, rubbed, or cut to an exact size and shape, for arches or ornamental work. --
Gauged mortar. See Gauge stuff, under Gauge, n. [ 1913 Webster ]

n. One who gauges; an officer whose business it is to ascertain the contents of casks. [ 1913 Webster ]

n. The office of a gauger. [ 1913 Webster ]

. See Gauge rod, under Gauge, n. [ 1913 Webster ]

See under Gauge, n. [ 1913 Webster ]

[ Written also water gage. ] [ 1913 Webster ]

1. A wall or bank to hold water back. Craig. [ 1913 Webster ]

2. An instrument for measuring or ascertaining the depth or quantity of water, or for indicating the height of its surface, as in the boiler of a steam engine. See Gauge. [ 1913 Webster ]

{ or }. A wedge with a graduated edge, to measure the width of a space into which it is thrust. [ Webster 1913 Suppl. ]