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definitions

organa

1
[awr-guh-nuh]
noun
  1. a plural of organon.

organa

2
[awr-guh-nuh]
noun
  1. a plural of organum.

organon

[awr-guh-non]
noun, plural or·ga·na [awr-guh-nuh] /ˈɔr gə nə/, or·ga·nons.
  1. an instrument of thought or knowledge.
  2. Philosophy. a system of rules or principles of demonstration or investigation.

Origin of organon

1580–90; < Greek órganon; see organ

organum

[awr-guh-nuh m]
noun, plural or·ga·na [awr-guh-nuh] /ˈɔr gə nə/, or·ga·nums.
  1. an organon.
  2. Music.
    1. the doubling, or simultaneous singing, of a melody at an interval of either a fourth, a fifth, or an octave.
    2. the second part in such singing.

Origin of organum

From Latin, dating back to 1605–15; see origin at organ
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for organa

arrangement, unity, melody, composition, tune, chord, unison, consonance, concert, richness, concurrence, piece, chime, chorus, euphony, symphony, triad, blend, overtone, blending

Examples from the Web for organa

Historical Examples of organa

British Dictionary definitions for organa

organa

noun
  1. a plural of organon, organum

organum

noun plural -na (-nə) or -nums
  1. a form of polyphonic music originating in the ninth century, consisting of a plainsong melody with parts added at the fourth and fifth
  2. a variant of organon

Word Origin for organum

C17: via Latin from Greek; see organ

organon

organum

noun plural organa (ˈɔːɡənə), -nons, -na or -nums Epistemology
  1. a system of logical or scientific rules, esp that of Aristotle
  2. archaic a sense organ, regarded as an instrument for acquiring knowledge

Word Origin for organon

C16: from Greek: implement; see organ
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
organa in Medicine

organon

[ôr′gə-nŏn′]
n. pl. or•ga•nons
  1. An organ.
  2. A set of principles for use in scientific investigation.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.