Brahmâ Virâj. (Sk.) The same: Brahmâ separating his body into two halves, male and female, creates in them Vâch and Virâj. In plainer terms and esotericlly Brahmâ the Universe, differentiating, produced thereby material nature, Virâj, and spiritual intelligent Nature, Vâch—which is the Logos of Deity or the manifested expression of the eternal divine Ideation.
Source: H.P.Blavatsky - The Theosophical Glossary