What is the meaning of Gauge?

A measure; a standard of measure; an instrument to determine dimensions, distance, or capacity; a standard

An act of measuring.

An estimate.

Any instrument for ascertaining or regulating the level, state, dimensions or forms of things

A thickness of sheet metal or wire designated by any of several numbering schemes, with lower numbers indicating larger size.

Ellipsis of track gauge.

Ellipsis of loading gauge.

A semi-norm; a function that assigns a non-negative size to all vectors in a vector space.

The number of stitches per inch, centimetre, or other unit of distance.

Relative positions of two or more vessels with reference to the wind.

The depth to which a vessel sinks in the water.

The quantity of plaster of Paris used with common plaster to make it set more quickly.

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.

A unit of measurement which describes how many spheres of bore diameter of a shotgun can be had from one pound of lead; 12 gauge is roughly equivalent to .75 caliber.

A shotgun (synecdoche for 12 gauge shotgun, the most common chambering for combat and hunting shotguns).

A tunnel-like ear piercing consisting of a hollow ring embedded in the lobe.

Cannabis.

To measure or determine with a gauge; to measure the capacity of.

To estimate.

To appraise the character or ability of; to judge of.

To draw into equidistant gathers by running a thread through it.

To mix (a quantity of ordinary plaster) with a quantity of plaster of Paris.

To chip, hew or polish (stones, bricks, etc) to a standard size and/or shape.

A customary measurement or scale.

Alternative form of jauge

Source: wiktionary.org