Alidad

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Archaic form of alidade. alt-of, archaic
  2. 2
    surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles wordnet
  3. 3
    surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments wordnet

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.