Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

EXAMPLES FROM THE WEB FOR FORE SIGHT

Two or three times he put his rifle to his shoulder and glanced along the barrel, but he could not yet see his fore sight.

It is clear moonlight, but it is necessary to cover the fore sight of the rifle with white paper in order to see it clearly.