A kind of marriage as per Agnipurana Chapter 154.

When a father gives away his daughter to a brahmachari without reward, it is called Brahma. When he gives her away to the purohit during a yajna, it is called Daiva. Aarsha is when he gives her away in return for cows. When a father gives his daughter away to any man with his blessings it is Prajaptya. When a man marries a woman without counsel from anyone else it is Gandharva. Asura is when a man buys a woman from her father. Rakshasa is when a man abducts a woman and Paishacha is when a man makes a woman his wife when she is unconscious.