1. A Sanskrit term that literally means a “sign” or a “mark,” it is generally used as a term among modern Tantrics to mean a man’s phallus. The lingam of the deity Shiva is often a representative of that deity and receives worship and adoration from His followers.
2. Literally mark or sign, implying the mark or sign of the male deity. Thus, it also means penis. As a symbol, the lingam is associated with Shiva.