Term: peep sight: rear gunsight having an adjustable eyepiece with a small aperture through which the front sight and the target are aligned
Broader: optical instrument: an instrument designed to aid vision | Unrelated: spinal column: the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
Broader: optical instrument: an instrument designed to aid vision | Unrelated: shantung: a heavy silk fabric with a rough surface (or a cotton imitation)
Broader: optical instrument: an instrument designed to aid vision | Unrelated: ulnar nerve: a nerve running along the inner side of the arm and passing near the elbow; supplies intrinsic muscles of the hand and the skin of the medial side of the hand
Broader: optical instrument: an instrument designed to aid vision | Unrelated: intima: the innermost membrane of an organ (especially the inner lining of an artery or vein or lymphatic vessel)
Broader: optical instrument: an instrument designed to aid vision | Unrelated: stopping point: the temporal end; the concluding time
Broader: optical instrument: an instrument designed to aid vision | Unrelated: dial: the face of a timepiece; graduated to show the hours
Broader: optical instrument: an instrument designed to aid vision | Unrelated: cigarette case: a small flat case for holding cigarettes; can be carried in a purse or a pocket
Broader: optical instrument: an instrument designed to aid vision | Unrelated: putz: (Yiddish) a fool; an idiot
Broader: optical instrument: an instrument designed to aid vision | Unrelated: ditty: a short simple song (or the words of a poem intended to be sung)
Broader: optical instrument: an instrument designed to aid vision | Unrelated: evolution: (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms