From BiblePortal Wikipedia

Webster's Dictionary [1]

(n.) A divinity of the modern Hindu trimurti, or trinity. He is regarded as the preserver, while Brahma is the creator, and Siva the destroyer of the creation.

The Nuttall Encyclopedia [2]

The Preserver, the second god of the Hindu triad, Brahma ( q. v .) being the first and Siva ( q. v .) the third; revealed himself by a succession of avatars, Râma ( q. v .) being the seventh and Krishna ( q. v .) the eighth; he has had nine avatars, and on the tenth he will come to judgment; he is extensively worshipped, and his worshippers, the Vaishnavas, are divided into a great number of sects.

Cyclopedia of Biblical, Theological and Ecclesiastical Literature [3]

Bibliography Information McClintock, John. Strong, James. Entry for 'Vishnu'. Cyclopedia of Biblical, Theological and Ecclesiastical Literature. Harper & Brothers. New York. 1870.