trigon

[trahy-gon] /ˈtraɪ gɒn/
noun
1.
a triangle.
2.
an ancient Greek stringed instrument with a triangular shape.
3.
Astrology Archaic.
  1. trine.
  2. triplicity.
Origin
1555-65; < Latin trigōnum triangle < Greek trígōnon, noun use of neuter of trígōnos three-angled. See tri-, -gon

trigon.

1.
trigonometric.
2.
trigonometrical.
3.
trigonometry.
British Dictionary definitions for trigon

trigon

/ˈtraɪɡɒn/
noun
1.
(in classical Greece or Rome) a triangular harp or lyre
2.
an archaic word for triangle
Word Origin
C17: via Latin from Greek trigōnon triangle. See tri-, -gon
Related Abbreviations for trigon

trigon.

  1. trigonometric
  2. trigonometry