Dictionary
al•i•dade
Pronunciation: (al'i-dād"), [key]—
n. Survey.
1. (in plane-tabling) a straightedge having a telescopic sight or other means of sighting parallel to the straightedge.
2. the entire upper part of a theodolite or transit, including the telescope, its supports, the level vials, the circle-reading device, and the spindle.
Also,al•i•dadPronunciation: (al'i-dad"). [key]Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.