An octant is one of eight regions in three-dimensional Euclidean space. Each is separated by the xy-plane, the yz-plane, and the xz-plane. Octants are akin to the quadrant of two-dimensional Euclidean space. This geometry-related article contains minimal information concerning its topic. You can help the Mathematics Wikia by adding to it. Retrieved from "https://math.wikia.org/wiki/Octant?oldid=15513" Categories: Geometry stubs Euclidean solid geometry Community content is available under CC-BY-SA unless otherwise noted.