gauge

1 gauge noun
also US gage /ˈgeɪʤ/
plural gauges also gages
1 gauge
noun
also US gage /ˈgeɪʤ/
plural gauges also gages
Britannica Dictionary definition of GAUGE
1 
[count] : an instrument that is used for measuring something
2 
[count] : something that can be used to measure or judge something else — usually singular — often + of
3 
[noncount] : the distance between the rails of a railroad
4 
[noncount] : the thickness of something (such as a sheet of metal) or the diameter of wire or a screw
5 
[noncount] : the size of a shotgun based on how big the inside of the barrel is
2 gauge verb
also US gage /ˈgeɪʤ/
gauges also gages; gauged also gaged; gauging also gaging
2 gauge
verb
also US gage /ˈgeɪʤ/
gauges also gages; gauged also gaged; gauging also gaging
Britannica Dictionary definition of GAUGE
[+ object]
1 
: to make a judgment about (something)
2 
: to measure (something) exactly