surveying instrument consisting basically of a small telescope with an attached spirit level rotating around a vertical axis; for measuring relative heights of land | indicator that establishes the horizontal when a bubble is centered in a tube of liquid |
| a structure consisting of a room or set of rooms at a single position along a vertical scale |
| a flat surface at right angles to a plumb line |
| a position on a scale of intensity or amount or quality |
| height above ground |
| an abstract place usually conceived as having depth |
| a specific identifiable position in a continuum or series or especially in a process |
| a relative position or degree of value in a graded group |