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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 al·i·dade /ˈæləˌded/
 指方規,照准儀

From: Webster's Revised Unabridged Dictionary (1913)

 Al·i·dade n.  The portion of a graduated instrument, as a quadrant or astrolabe, carrying the sights or telescope, and showing the degrees cut off on the arc of the instrument
 ◄ ►

From: WordNet (r) 2.0

 alidade
      n 1: surveying instrument consisting of the upper movable part of
           a theodolite including the telescope and its attachments
           [syn: alidad]
      2: surveying instrument used with a plane table for drawing
         lines of sight on a distant object and for measuring
         angles [syn: alidad]