Defn: The state of being sightful; perspicuity. [Obs.] Sir P. Sidney.

SIGHT-HOLE
Sight"-hole`, n.

Defn: A hole for looking through; a peephole. "Stop all sight-holes."
Shak.

SIGHTING
Sight"ing, a & n.

Defn: from Sight, v. t. Sighting shot, a shot made to ascertain whether the sights of a firearm are properly adjusted; a trial shot.

SIGHTLESS
Sight"less, a.

1. Wanting sight; without sight; blind. Of all who blindly creep or sightless soar. Pope.

2. That can not be seen; invisible. [Obs.] The sightless couriers of the air. Shak.

3. Offensive or unpleasing to the eye; unsightly; as, sightless stains. [R.] Shak. — Sight"less*ly, adv.- Sight"less*ness, n.

SIGHTLINESS
Sight"li*ness, n.