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 ;

1. (

• 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" ;