any device for measuring something, as the thickness of wire, the dimensions of a machined part, the amount of liquid in a container, steam pressure, etc.
any means of estimating or judging
the distance between the rails of a rail track
the distance between parallel wheels at opposite ends of an axle
the size of a bore, esp. of a shotgun, expressed in terms of the number per pound of round lead balls of a diameter equal to that of the bore
the thickness of sheet metal, diameter of wire, etc.
a measure of the fineness of a knitted or crocheted fabric
the fineness of a machine-knitted fabric expressed in terms of the number of loops per 1 inches
Naut. the position of a ship in relation to another ship and the wind: a sailboat that has the weather gauge of another boat is to windward of it
Plastering the amount of plaster of Paris used with common plaster to hasten its setting