1) The property of being triple 2) Triad 3) Trigon 4) Trio 5) Triplet 1) Triplication 
In astrology, a triplicity is a group of three signs belonging to the same element. ==Trines== Western astrology assumes that each sign of the same triplicity is 120 degrees apart, forming angles to one another called trines, which are each equivalent to the 360 degrees of the circle divided by three. Trines are considered to be very powerful and ...
• (a.) The quality or state of being triple, or threefold; trebleness.
(from the article `astrology`) Furthermore, each zodiacal sign has a special relation with a part of the human body. The 12 signs are further divided into four triplicities, each ...
trigon noun (astrology) one of four groups of the zodiac where each group consists of three signs separated from each other by 120 degrees