Definition of "Gauge" :

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

noun: diameter of a tube or gun barrel

noun: the thickness of wire

noun: the distance between the rails of a railway or between the wheels of a train

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

verb: mix in specific proportions

"Gauge plaster."

verb: adapt to a specified measurement

"Gauge the instruments."

verb: measure precisely and against a standard

"The wire is gauged."

verb: judge tentatively or form an estimate of (quantities or time)

verb: determine the capacity, volume, or contents of by measurement and calculation

"Gauge the wine barrels."

verb: rub to a uniform size

"Gauge bricks."