middle C

Noun

 * 1)  A specific musical note, particularly the note C4, at approximately 261.6 hertz, appearing at the middle of the alto staff and directly between the treble and bass staves.
 * 2)  The key on a piano or other keyboard instrument corresponding to this note.

Translations

 * Chinese:
 * Mandarin: 中央C
 * Finnish: keski-C, yksiviivainen C
 * French:
 * Polish: środkowe C
 * Spanish: do central
 * Swedish: ettstrukna C