from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The octave directly below the great octave
from The Century Dictionary and Cyclopedia
- n. In music, the 16-foot octave of the organ, the notes of which are denoted by CC, DD, etc.; on the piano, the lowest octave beginning with C, the notes of which are denoted by C1, D1, etc.; on other instruments, the octave corresponding to these.
Sorry, no etymologies found.