ALL meanings of alidade
al·i·dade
A a - noun alidade a surveying instrument used in plane-tabling for drawing lines of sight on a distant object and taking angular measurements 3
- noun alidade the upper rotatable part of a theodolite, including the telescope and its attachments 3
- noun alidade a part of an optical or surveying instrument, consisting of the vernier, indicator, etc. 3
- noun alidade a surveying instrument consisting of a telescope mounted on a rule, used in topography 3
- noun alidade (in plane-tabling) a straightedge having a telescopic sight or other means of sighting parallel to the straightedge. 1
- noun alidade the entire upper part of a theodolite or transit, including the telescope, its supports, the level vials, the circle-reading device, and the spindle. 1
- noun alidade A sighting device or pointer for determining directions or measuring angles, used in surveying and (formerly) astronomy. 1
- noun alidade (cartography, astronomy, surveying) A sighting device used for measuring angles. 0