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

Synonyms

All synonyms

alidademeasuring instrumentsighting devicesighting instrument