open sight

1. 1.

   rear gunsight having an open notch instead of a peephole or telescope

   Broadergunsight

Questions about open sight

What does open sight mean?

open sight means "rear gunsight having an open notch instead of a peephole or telescope".

Is open sight a common word?

open sight is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.