middle C

noun

Music.

1. the note indicated by the first leger line above the bass staff and the first below the treble staff.

middle C

noun

1. music 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

Word History and Origins

Origin of middle C¹

First recorded in 1830–40