As per Mahabharata Adiparva Chapter 1 verse 32, it means Prajapati.

As per Mahabharata Shantiparva Chapter 208 verse 7, it was another name for Daksha.

As per Mahabharata Anushasanaparva Chapter 149 verse 91, another name for Vishnu.

It also means Brahma, Vishnu, Shiva as per Agnipurana Chapter 348.