A trine (abrv. Tri) is an angle of 120° (1/3 of the 360° ecliptic). A separation (orb) of 120±04° is considered a trine. The trine indicates harmony, and ease of expression, with the two elements reinforcing each other. The trine is a source of artistic and creative talent, which is innate. The nature of the trine is that of the fire signs (Aries to Leo and or Aries to Sagittarius) and is thus inspirational. The trine has been traditionally assumed to be extremely beneficial, providing ease even if undeserved, but it can be a ‘line of least resistance’ to a person of weak character. Too many trines are said to make a person weak and unable to cope with adversity. Complacency can also prove to be a problem. Due to the harmony bestowed by the trine, the person may not feel the need to develop the gifts given by this aspect, thus it follows that the person has no need to satisfy a need and supply what is lacking because it is already satisfied from the time of his or her birth. The essential meaning of the trine is momentum. It thus indicates situations or conditions which continue as they are without much input of energy and that tend to build upon themselves. It shows accumulation or accretion,continuance, balance, increase, self-perpetuation and stability. Although the trine is generally considered a “soft” or “good” aspect, if the two planets involved are both malefic by nature, or are planets poorly conditioned in the horoscope under consideration, the aspect may indicate rather uncomfortable conditions which persist and build on themselves. The aspect is purely personal in nature, and shows a person as he acts independently of the world in pure self-expression. It is therefore said to indicate natural talent.
FOUR ANIMAL TRINES
First Trine The first trine consists of the Rat, Dragon, and Monkey. These three signs are intense and powerful individuals, capable of great good or great evil. They make great leaders, but the three may have different approaches. Frustrated when hampered, these signs are ruled by highly potent energy and unpredictability. At their worst, Rats are ruthlessly power-hungry, vindictive, and Machiavellian; Dragons are inflexible megalomaniacs and narcissists; and Monkeys are destructive manipulators and hedonists. They are intelligent, magnanimous, charismatic, charming, authoritative, confident, eloquent and artistic. They can also be tyrannical, bombastic, prejudiced, deceitful, imperious, and ruthless.
Second Trine The second trine consists of the Ox, Snake, and Rooster. These three souls conquer life through endurance, application, and slow accumulation of energy. Although each sign is fixed and rigid in opinions and views, they are geniuses in the art of meticulous planning. They are hardworking, discreet, modest, industrious, charitable, loyal, punctual, philosophical, patient, and good-hearted individuals with high moral standards. They can also be self-righteous, vain, critical, judgmental, myopic, narrow-minded, and petty. They are also natural leaders, but are better natured than the first trine.
Third Trine The third trine consists of the Tiger, Horse, and Dog. These three signs seek a true lover, and are like-minded in their pursuit of humanitarian causes. Idealistic and impulsive, the Tiger, Horse and Dog follow the beat of their own drummer. Defiant against injustice, these three signs wilt without large amounts of physical affection and loyal support for causes. They are productive, enthusiastic, independent, engaging, dynamic and honorable. They can also be rash, rebellious, quarrelsome, hot-headed, reckless, anxious, moody, disagreeable, and stubborn. Although these three signs are loyal, they can be very protective when lied to. The three signs do not enjoy being told what to do, but will listen when it is a person they love or trust whole-kindheartedly.
Fourth Trine The fourth trine consists of the Rabbit, Sheep, and Pig. The quest for these three signs is the aesthetic and beautiful in life. Their calm nature gives them great leadership abilities. They are artistic, refined, intuitive, and well-mannered. These souls love the preliminaries in love, and are fine artists in their lovemaking. The Rabbit, Sheep and Pig have been bestowed with calmer natures than the other 9 signs. These three are compassionately aware, yet detached and resigned to their condition. They seek beauty and a sensitive lover. They are caring, unique, self-sacrificing, obliging, sensible, creative, empathic, tactful, and prudent. They can also be naive, pedantic, insecure, cunning, indecisive, and pessimistic.
Definition courtesy Wikipedia.