Definition of "organon" [‖Or•ga•non]

• A set of principles for use in scientific or philosophical investigation. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "He defines logic as being neither a science nor an art, but, in keeping with the traditional meaning of the word organon, just an instrument"
• "[717] On the word organon, a tool, as used of the Word of God, cf. Nestorius in Marius Merc."
• "Knowledge is here considered from the practical point of view, as a weapon in the struggle for life, as an "organon" which has been continuously in use for generations."