1. 2 synonyms for Alidade: alidad, alidad

2. An Alidade (archaic forms include alhidade, alhidad, alidad) or a turning board is a device that allows one to sight a distant object and use the line of sight to perform a task

3. An Alidade (archaic forms include alhidade, alhidad, alidad) or a turning board is a device that allows one to sight a distant object and use the line of sight to perform a task

4. English: An Alidade (archaic forms include alhidade, alhidad, alidad) is a device that allows the user to sight a distant object and use the line of sight to perform a task.This task can be, for example, to draw a line on a plane table in the direction of the object or to measure the angle to the object from some reference point.