a figure made up of three whole or broken lines, used in Chinese divination
K'un is the Earth (by inference the South-West) … Tui corresponds to Autumn (theWest) … Ch'ien is the North-West … K'an signifies Water, and is the trigram of theNorth … Ken is the trigram of the North-East …
trigram in American English
(ˈtraɪˌgræm)
noun
1.
a graphic unit made up of three parts, as a trigraph
2.
a group of three solid or broken lines making up half of a hexagram in the I Ching