backsight

Meanings

Plural: backsights

Noun

The rear sight of a firearm.
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).
A measurement of a previously shot point, used to set the angle to zero when occupying a new position.

Verb

To shoot a backsight.

Origin / Etymology

From back + sight.

Scrabble Score: 21

backsight is not valid in Scrabble (US) TWL Dictionary
backsight is not valid in Scrabble (MW) Merriam-Webster Dictionary
backsight is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 23

backsight is a valid Words With Friends word