What does "trigon" mean?

Trigon: (Astrol.) (a) A division consisting of three signs. (b) Trine, an aspect of two planets distant 120 degrees from each other. Hutton.

Additional senses

  1. 2.(Gr. & Rom. Antiq.) (a) A kind of triangular lyre or harp. (b) A kind of game at ball played by three persons standing at the angular points of a triangle.
  2. 3.The cutting region of the crown of an upper molar, usually the anterior part. That of a lower molar is the Tri"go*nid.

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