Definify.com
Webster 1913 Edition
Trigon
Triā²gon
,Noun.
1.
A figure having three angles; a triangle.
2.
(Astrol.)
(a)
A division consisting of three signs.
(b)
Trine, an aspect of two planets distant 120 degrees from each other.
Hutton.
3.
(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.
Webster 1828 Edition
Trigon
TRIG'ON
,Noun.
1.
A triangle; a term used in astrology; also, trine, an aspect of two planets distant 120 degrees from each other.2.
A kind of triangular lyre or harp.