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Word: backsight
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Meaning:
Noun:
- surveying A measurement of a previously shot point, used to set the angle to zero when occupying a new position.
- surveying A measurement or reading taken back towards a point of known elevation, used to calculate the height of the theodolite.
- The rear sight of a firearm.
Source: Wiktionary
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Verb:
- surveying To shoot a backsight.
Source: Wiktionary
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