- The diameter of a wire as defined by several different systems. Ordinarily, the thicker the wire is, the smaller the gauge number is.
- A device for measuring the thickness of a wire; usually consists of a metal sheet with standard-sized notches on one or more edges.
- A scale or standard, such as Birmingham Wire Gauge, utilized for determining the diameter of wires. Also, a measurement expressed in such terms. For example, a 14-gauge wire. It is common for such scales or standards to also be utilized for determining thicknesses and diameters of tubing, sheets, rods, and the like.
- A device or instrument utilized to determine the gauge of a given wire. It is common for such a device or instrument to also be able to be used to determine thicknesses and diameters of tubing, sheets, rods, and the like.
- synonymwire gage