Is “Backsight” a Scrabble word?
Yes
BACKSIGHT
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of 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
1.To shoot a backsight.