Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun alidad

2 senses of alidad

Sense 1
alidade, alidad -- (surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments)
       => surveying instrument, surveyor's instrument -- (an instrument used by surveyors)

Sense 2
alidade, alidad -- (surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles)
       => surveying instrument, surveyor's instrument -- (an instrument used by surveyors)