tuninggauge

noun
UK /ˈtjuːnɪŋ ɡeɪdʒ/
US /ˈtuːnɪŋ ɡeɪdʒ/

A tuning gauge is a small tool that helps you check if a sound is just right.

The piano tuner used a tuning gauge to make sure every note sounded perfect.


OTHER MEANINGS

2. A device that measures how well a machine or engine is adjusted.

The mechanic checked the engine with a tuning gauge.

3. A scale or marker used to set an instrument to the correct notes.

He marked the guitar string positions with a tuning gauge.

4. A tool that shows whether a radio or signal is set to the right channel.

The old radio had a tuning gauge that glowed in the dark.