1.Definition: a measuring instrument for measuring and indicating a quantity such as the thickness of wire or the amount of rain etc.

Related Noun(s):gage

Category: Objects

2.Definition: accepted or approved instance or example of a quantity or quality against which others are judged or measured or compared

Category: General

3.Definition: diameter of a tube or gun barrel

Related Noun(s):bore, caliber, calibre

Category: General

4.Definition: the distance between the rails of a railway or between the wheels of a train

Category: General

5.Definition: the thickness of wire

Category: General