Shiva lingam is the holy symbol of Lord shiva that is considered quite sacred and worshipped with devotion by the devotees. The sanskrit word lingam means symbol, so Shiva lingam means symbol of Shiva. It is considered the foremost sacred symbol for Shaivaites and has been worshiped for ages.

Lord Shiva took the form of shiva lingam which is neither form nor formless but is a symbol.

Generally speaking, Shiva is an interesting character because his personality transcends all physical, social, and spiritual boundaries, but despite his uncouth ways, Shiva is the highest ascetic and is known as the Supreme Yogi (lakulisa).

The Great Lord is represented by a three-headed figure of Shiva. This figure is also known as the Eternal Shiva. The brass carving depicting this image captures the process of creation and the nature of the Infinite Being in a very straightforward manner.  The middle head represents the Absolute, the divine center.  The head over the right shoulder is a male profile and represents the masculine aspect of existence.  The head over the left shoulder is the profile of the feminine principle.

The linga itself is simple and straightforward. The linga directly represents the transcendent aspect of Godhead which is eternally beyond form or description.