Definition, Meaning & Synonyms

backsight

noun

/ˈbaksʌɪt/

Definition

A backsight is a reading taken on a survey point that serves as a reference for measuring visible points in the opposite direction.

Examples

The surveyor took a backsight reading to ensure the accuracy of the leveling instrument.
Using a backsight, we were able to calculate the height difference between the two points accurately.

Meaning

In the context of surveying and construction, the term backsight refers to a specific measurement that helps establish accurate elevation levels and ensure that structures are built correctly based on those measurements.