gauge
nounUK /ɡeɪdʒ/
US /ɡeɪdʒ/
A gauge is a tool that shows you how much of something there is.
The gas gauge on the car showed that the tank was almost empty.
RELATED WORDS
OTHER MEANINGS
2. To judge or estimate how big or strong something is.
It was hard to gauge how deep the water was.
3. The thickness or width of something, like a wire or a needle.
Use a thicker gauge wire for the outdoor lights.
4. The distance between the two rails of a railway track.
The train runs on a narrow gauge track.