An adjustable piece, pierced with a small hole to peep through in aiming, attached to a rifle or other firearm near the breech; -- distinguished from an open sight.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). peep sight. Retrieved September 23, 2026, from http://smartdefine.org/peep_sight/definitions/2043140 |
| Chicago | Webster's. 2011. "peep sight" http://smartdefine.org/peep_sight/definitions/2043140 (accessed September 23, 2026). |
| Harvard | Webster's 2011, peep sight, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/peep_sight/definitions/2043140>. |
| MLA | Webster's. "peep sight" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/peep_sight/definitions/2043140> |