English Explanatory Dictionary

backsight

English dictionary entry

Meanings

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
  1. To shoot a backsight.

Word forms

backsight backsights backsighting backsighted

Etymology

From back + sight.

Synonyms

hindsight

Antonyms

foresight

Related words

foresight hindsight

Derived words

blow a backsight
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