Vertical

Of or pertaining to the vertex; situated at the vertex, or highest point; directly overhead, or in the zenith; perpendicularly above one.

Perpendicular to the plane of the horizon; upright; plumb; as, a vertical line.

Vertical position; zenith.

A vertical line, plane, or circle.

at right angles to the plane of the horizon or a base line; "a vertical camera angle"; "the monument consists of two vertical pillars supporting a horizontal slab"; "measure the perpendicular height"