| 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 |
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| (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 |
| (verb) measure precisely and against a standard | - |
| (verb) adapt to a specified measurement | - |
| (verb) mix in specific proportions | - |
| (verb) judge tentatively or form an estimate of (quantities or time) | Synonyms: approximate, estimate, guess, judge |
| (verb) determine the capacity, volume, or contents of by measurement and calculation | - |
| (verb) rub to a uniform size | - |