- 1. 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 Source: opted
- 2. n. surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments Source: wordnet
- 3. n. surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles Source: wordnet
- 4. 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 Whewell. Source: webster
- 5. The portion of a graduated instrument, as a quadrant orastrolabe, carrying the sights or telescope, and showing the degreescut off on the arc of the instrument Whewell. Source: adambom
- 6. n. surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments n. surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles Source: ecdict
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