# C instrument

> English word · Noun

## Definitions
1. an instrument that either does not transpose, or transposes by an octave or multiple octaves.

## Etymology
In reference to the musical note C.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/c-instrument