In geology, noting a system of faults, the minor members of which branch from a central one as twigs from a bough.To branch off, like a twig, or diverge like a system of twigs.Having the shape of a wand or rod; slender, straight, and erect: as, a virgate stem; a virgate polyp.n. A measure of surface (corresponding to the ML. terra virgata, measured land). Different areas have been so called, without much uniformity. Compare quotation under holding, 3 .