tuningmeter

noun
UK /ˈtjuːnɪŋˌmiːtə/
US /ˈtuːnɪŋˌmiːtər/

A tuning meter is a small tool that shows if a musical note is in tune.

She watched the tuning meter while she tightened the guitar string.


OTHER MEANINGS

2. A display on a radio that helps you find the strongest signal.

The old radio's tuning meter moved as he turned the dial.

3. A device that checks whether a machine is set to the right setting.

The technician used a tuning meter to adjust the engine.

4. A screen or needle that shows how close a sound is to the target note.

The tuning meter lit green when the choir sang the right note.