Yoni literally means the vagina. In a general sense it indicates the sexual or reproductive organ or one’s sexual preference. In Sanskrit, Yoni means the womb.
In Indian astrology, one of the factors involved in calculating compatibility is referred to as Yoni Porutham or Yoni compatibility where the Yoni nature of the male and female under study is compared. In other words it indicates if the couple with have a satisfaction with their sex life. The type of yoni can be found out from our Birth Nakshtra.