organa

1
[ awr-guh-nuh ]
/ ˈɔr gə nə /

noun

a plural of organon.

Definition for organa (2 of 4)

organa2
[ awr-guh-nuh ]
/ ˈɔr gə nə /

noun

a plural of organum.

Definition for organa (3 of 4)

organon
[ awr-guh-non ]
/ ˈɔr gəˌnɒn /

noun, plural or·ga·na [awr-guh-nuh] /ˈɔr gə nə/, or·ga·nons.

an instrument of thought or knowledge.
Philosophy. a system of rules or principles of demonstration or investigation.

Origin of organon

1580–90; < Greek órganon; see organ

Definition for organa (4 of 4)

organum
[ awr-guh-nuh m ]
/ ˈɔr gə nəm /

noun, plural or·ga·na [awr-guh-nuh] /ˈɔr gə nə/, or·ga·nums.

an organon.
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. 2019

Examples from the Web for organa

British Dictionary definitions for organa (1 of 3)

organa
/ (ˈɔːɡənə) /

noun

a plural of organon, organum

British Dictionary definitions for organa (2 of 3)

organum
/ (ˈɔːɡənəm) /

noun plural -na (-nə) or -nums

a form of polyphonic music originating in the ninth century, consisting of a plainsong melody with parts added at the fourth and fifth
a variant of organon

Word Origin for organum

C17: via Latin from Greek; see organ

British Dictionary definitions for organa (3 of 3)

organon

organum

/ (ˈɔːɡəˌnɒn) /

noun plural organa (ˈɔːɡənə), -nons, -na or -nums Epistemology

a system of logical or scientific rules, esp that of Aristotle
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

Medicine definitions for organa

organon
[ ôrgə-nŏn′ ]

n. pl. or•ga•nons

An organ.
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.