from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of several types of medieval vocal polyphony, usually based on Gregorian chant.
- n. Variant of organon.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a type of medieval polyphony which builds upon an existing plainsong
from The Century Dictionary and Cyclopedia
- n. Same as organon.
- n. In music: An organ.
- n. Same as diaphony, 2.
Medieval Latin, from Late Latin, church organ, from Latin, instrument; see organ.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin organum, from Ancient Greek ὄργανον (organon, "organ, instrument, tool"). (Wiktionary)