C see Your browser does not support the audio element. [ English ] Definition 1. Abbreviation used on the staff to designate common time. 2. The first note (tonic) in the C major scale. In solfeggio it is normally called do, except in France where it is called Ut. The frequencies of the audible pitches of C are notated below. 3. The note Ut of the Guidonian System. 4. The note from which pianos and organs are typically tuned. See Also [French] Do (m) [Latin] Ut Share Share on Facebook (opens in a new tab) Share on X (opens in a new tab) Last Updated: 2013-02-14 18:55:09