Definition of "trigon" [tri•gon]

• A triangular lyre or harp of Roman and Greek antiquity. (noun)
• See triplicity. (noun)
• Archaic A triangle. (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.

• "One of the facts that plays a large part in the result was known to the old astrologers, viz. that Jupiter and Saturn come into conjunction with a certain triangular symmetry; the whole scheme being called a trigon, and being mentioned several times by Kepler."
• "This is actionable, affordable, and feasible and more aptly it addresses the problem in situ meaning that the fix goes in without having to reset the pieces on the game board.www. trigon-international.com"
• "The last time I had ventured into the room, a hodgepodge of toys had been shoved into the niche -- little boats made of wood, a leather ball for playing trigon, pebbles of colored glass for Egyptian board games."