Definitions:

1. a measuring instrument for measuring and indicating a quantity such as the thickness of wire or the amount of rain, etc noun
   • We placed the gauge out in the lawn.
2. diameter of a tube or gun barrel noun
   • We shot a 22 gauge gun.
3. the distance between the rails of a railway or between the wheels of a train noun
   • The gauge of the rail lines was nonstandard.
4. the thickness of wire noun
   • I'm not sure if the gauge of the wire is thick enough.
5. to adapt to a specified measurement verb
   • We gauged the instruments before we began.
6. to determine the capacity, volume, or contents of by measurement and calculation verb
   • We gauged the wine barrels as holding 900 liters.
7. to measure precisely and against a standard verb
   • The wire is gauged for that usage.
8. to mix in specific proportions verb
   • Make sure to gauge the plaster.
9. to rub to a uniform size verb
   • We should gauge the bricks.

Synonyms:

• bore
• estimate
• standard of measurement