Affliction - Adverse aspects between planets or between a planet and a cusp (house)- Planets getting debilitated or conjoined with evils are also said to be afflicted.
Angles - Houses 1,4,7 and 10 are said to be the angular houses. Hindus call them as Kendrasthanas.
Antras - Sub division of Bhukthis in each dasa Vimshdhari dasa system.
Ascendant - The part that rises in the east at the time of the birth of a child or commencement of an event. It is also called "Lagna".
Aphelion - Every planet has its own orbit. That area in the orbit which is farthest from the Sun is called Aphelion.
Application - The approach of one planet to another planet to the exact degree to form an aspnct or the approach or a planet to the cusp of a house.
Arc - The distance measured along a circle.
Ascensions - Long and short. Though each sign is 30° yet this term is used to show that some signs take long duration to rise in the east and some lagnas shorter period.
Aspects - Angular distance between planets and cusps or between planets themselves.
Barren signs - Gemini, Leo and Virgo
Benefics - Jupiter, Venus, Waxing Moon and unafflicted Mercury, Westerners consider Sun also as a benefic.
Bicorporeal Signs - Gemini, Sagittarius and Pisces (double-bodied signs). They denote twins, popularlty of experiences.
Birth Time - The exact moment when the whole body of the child gets separated from the mother.
Bhukti - Sub division of Vimsodhari Dasa
Cadent - Houses 3,6,9 and 12 are called Cadent Houses. Generally planets herein become weak.
more terms will be written soon...