organum

(ôrgə nəm)

noun pl. organums or organa

  1. organon
  2. Music
    1. an early type of polyphony based on plainsong, in which the voices are separated by an interval of a fourth, fifth, or octave
    2. a composition in this style

Origin: L: see organ

See organum in American Heritage Dictionary 4

noun pl. or·ga·na (-nə) or or·ga·nums
Any of several types of medieval vocal polyphony, usually based on Gregorian chant.

Origin:

Origin: Medieval Latin

Origin: , from Late Latin, church organ

Origin: , from Latin, instrument; see organ

.

noun pl. or·ga·nums
Variant of organon.

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