Abirameswarar Temple (also called Thiruvamathur Temple) is a Hindu temple dedicated to the deity Shiva, located in Poondi, a village in Viluppuram district in the South Indian state of Tamil Nadu. Shiva is worshiped as Abirameswarar, and is represented by the lingam. His consort Parvati is depicted as Manonmani Amman. The temple is located on the Chennai - Villupuram highway. The presiding deity is revered in the 7th century Tamil Saiva canonical work, the Tevaram, written by Tamil saint poets known as the nayanmars and classified as Paadal Petra Sthalam.

Amazing temple
As per Hindu legend, during the original creation, cows were without horns and all the other predators were troubling them. They prayed to Shiva to provide them horns. Shiva was pleased with the devotion and offered them horns. Since cows (called aa in Tamil) got horns at this place, it came to be known as Thiruamathur. The presiding image of lingam is sported holding the hooves of cow. As per another legend, the image of Ambal is sported with the tail of snake.[1] There is a small hole in the wall between the shrines of Shiva and Parvathi located in opposite shrines through which the deities see each other