from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The octave below another.
from the GNU version of the Collaborative International Dictionary of English
- adj. Containing one part of eight; having the ratio of one to eight.
from The Century Dictionary and Cyclopedia
- n. An eighth part.
- n. In music, the octave below a given tone.
sub- + octave (Wiktionary)
Grand Choeur; the Grand Orgne and the Grand Choeur to the Pedals; and each manual has a suboctave coupler on itself.