Backsight

Definition:

• (n.) The reading of the leveling staff in its unchanged position when the leveling instrument has been taken to a new position; a sight directed backwards to a station previously occupied. Cf. Foresight, n., 3.

Compare backsight with other words:

backsight vs. shoot

backsight vs. occupy

backsight vs. elevation

backsight vs. firearm

backsight vs. foresight