| Word | Definitions | Synonyms |
|---|---|---|
| gauge | (noun) a measuring instrument for measuring and indicating a quantity such as the thickness of wire or the amount of rain etc. | Synonyms: gage |
| (noun) the distance between the rails of a railway or between the wheels of a train | - | |
| (noun) the thickness of wire | - | |
| (noun) diameter of a tube or gun barrel | Synonyms: bore, caliber, calibre | |
| (noun) accepted or approved instance or example of a quantity or quality against which others are judged or measured or compared | Synonyms: standard of measurement |