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Definition of Backsight
1. n. The reading of the leveling staff in its unchanged position when the leveling instrument has been taken to a new position; a sight directed backwards to a station previously occupied. Cf. Foresight,
Definition of Backsight
1. Noun. The rear sight of a firearm. ¹
2. Noun. (surveying) A measurement or reading taken back towards a point of known elevation, used to calculate the height of the theodolite. ¹
3. Noun. (surveying) A measurement of a previously shot point, used to set the angle to zero when occupying a new position. ¹
4. Verb. (surveying) To shoot a backsight. ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Backsight
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