English noun: alidade | |||
1. | alidade (artifact) surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments | ||
Synonyms | alidad | ||
Broader (hypernym) | surveying instrument, surveyor's instrument | ||
Part meronym | theodolite, transit | ||
2. | alidade (artifact) surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles | ||
Synonyms | alidad | ||
Broader (hypernym) | surveying instrument, surveyor's instrument | ||