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trigon

[trahy-gon]
noun
  1. a triangle.
  2. an ancient Greek stringed instrument with a triangular shape.
  3. Astrology Archaic.
    1. trine.
    2. triplicity.
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Origin of trigon

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

trigon.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for trigon

Historical Examples

  • 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

trigon

noun
  1. (in classical Greece or Rome) a triangular harp or lyre
  2. an archaic word for triangle
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Word Origin

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