alidad, n.
(alidads)
(alidads)
surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles
<noun.artifact>
alidad alidade
semantic pointers
hypernym
surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments
<noun.artifact>
alidad alidade
semantic pointers
hypernym
part holonym