backsight

Noun

1. The rear sight of a firearm.
2. A measurement or reading taken back towards a point of known elevation, used to calculate the height of the surveying instrument (theodolite, transit, total station).
3. A measurement of a previously shot point, used to set the angle to zero when occupying a new position.

Verb

To shoot a backsight.

Etymology

From back + sight.

Synonyms

rear sight

backward vision

Translations

Rückblick

موجه خلفي

مهداف خلفي

hausse

cran de mire

visée arrière