Upper part of a surveyor's transit

• Surveyor's rule with sights: Var
• Surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles
• Surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments

Wiktionary Word definitions in Wiktionary
n. (archaic form of alidade English)

Wikipedia Word definitions in Wikipedia
Alidad may refer to: Alidade , a measuring device Alidad , an interior designer based in London Alidad, Khuzestan , a village in Iran Alidad, Lorestan , a village in Iran

WordNet Word definitions in WordNet
n. surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments [syn: alidade ] surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles ...