1. an instrument of thought or knowledge; a systematic method of investigation or reasoning
Usage: formal; philosophical
2. a bodily organ regarded as an instrument of some function
Usage: technical; biological

Examples

• Aristotle’s logical works were collectively known as the Organon.
• The scientific method serves as an organon for understanding the natural world.
• Logic functions as an organon of rational thought.
• The philosopher developed a new organon for ethical reasoning.
• The eye serves as the organon of vision.
• Each sense organ acts as an organon for perceiving the environment.