Alidad (Noun)
Meaning 1
Surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments.
Classification
Nouns denoting man-made objects.
Synonyms
Hypernyms
Meaning 2
Surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles.
Classification
Nouns denoting man-made objects.