water gauge

noun

1. any device for indicating the height of water in a reservoir, tank, boiler, or other vessel.

water gauge

noun

1. an instrument that indicates the presence or the quantity of water in a tank, reservoir, or boiler feed Also calledwater glass

Word History and Origins

Origin of water gauge¹

First recorded in 1700–10

Example Sentences

If you'll look back at your water gauge you'll see that there are only a few inches of water left in your boiler.

From Project Gutenberg

In addition to the glass water gauge, there are the try-cocks for ascertaining the level of the water in the boiler.

From Project Gutenberg

When the boiler has a sufficient amount of water, as may be seen by the glass water gauge, replace the filler plug.

From Project Gutenberg

The water should stand an inch and a half in the glass of the water gauge before the fire is started.

From Project Gutenberg

This allows the water and steam to blow through the lower cock of the water gauge, and you know that it is open.

From Project Gutenberg