the note graphically represented on the first ledger line below the treble staff or the first ledger line above the bass staff and corresponding in pitch to an internationally standardized fundamental frequency of 261.63 hertz
middle C in American English
1.
the musical note on the first ledger line below the treble staff and the first above the bassstaff
2.
the corresponding tone or key
Examples of 'middle C' in a sentence
middle C
He struck one ringing chord from the piano, around middle C, made the slightest thump on the windowsill, and vanished.