sighthole

[ sahyt-hohl ]
/ ˈsaɪtˌhoʊl /

noun

a hole, as on a quadrant, through which to see or to sight.

Origin of sighthole

First recorded in 1550–60; sight + hole

Words nearby sighthole

sight screen, sight unseen, sight-read, sighted, sighter, sighthole, sighthound, sighting, sightless, sightline, sightly