[ trahy-gon ]
/ ˈtraɪ gɒn /


a triangle.
an ancient Greek stringed instrument with a triangular shape.
Astrology Archaic.
  1. trine.
  2. triplicity.

Origin of trigon

1555–65; < Latin trigōnum triangle < Greek trígōnon, noun use of neuter of trígōnos three-angled. See tri-, -gon

Definition for trigon (2 of 2) Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for trigon

  • Thus we speak of a pentagon but not of a tetragon or a trigon, although both words are correct in form.

    The Teaching of Geometry|David Eugene Smith

British Dictionary definitions for trigon

/ (ˈtraɪɡɒn) /


(in classical Greece or Rome) a triangular harp or lyre
an archaic word for triangle

Word Origin for trigon

C17: via Latin from Greek trigōnon triangle. See tri-, -gon
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