The noun gauge has 5 senses (first 1 from tagged texts)
1. (1) gauge, gage -- (a measuring instrument for measuring and indicating a quantity such as the thickness of wire or the amount of rain etc.)
2. gauge, standard of measurement -- (accepted or approved instance or example of a quantity or quality against which others are judged or measured or compared)
3. gauge -- (the distance between the rails of a railway or between the wheels of a train)
4. gauge -- (the thickness of wire)
5. bore, gauge, caliber, calibre -- (diameter of a tube or gun barrel)
Overview of verb gauge
The verb gauge has 6 senses (first 1 from tagged texts)
1. (2) estimate, gauge, approximate, guess, judge -- (judge tentatively or form an estimate of (quantities or time); "I estimate this chicken to weigh three pounds")
2. gauge -- (rub to a uniform size; "gauge bricks")
3. gauge -- (determine the capacity, volume, or contents of by measurement and calculation; "gauge the wine barrels")
4. gauge -- (measure precisely and against a standard; "the wire is gauged")
5. gauge -- (adapt to a specified measurement; "gauge the instruments")
6. gauge -- (mix in specific proportions; "gauge plaster")