Alidade
nounverified·updated May 18, 2026
surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments
Framework senses
- §1
- surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles
- §2
- surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments