n (in the singular) The ability to see.
n The act of seeing; perception of objects by the eye; view.
n Something seen.
n Something worth seeing; a spectacle, either good or bad.
n A device used in aiming a projectile, through which the person aiming looks at the intended target.
n A small aperture through which objects are to be seen, and by which their direction is settled or ascertained.
n (now colloquial) a great deal, a lot; frequently used to intensify a comparative.
n In a drawing, picture, etc., that part of the surface, as of paper or canvas, which is within the frame or the border or margin. In a frame, the open space, the opening.
n (obsolete) The instrument of seeing; the eye.
n Mental view; opinion; judgment.
v (transitive) To see; to get sight of (something); to register visually.
v (transitive) To observe though, or as if through, a sight, to check the elevation, direction, levelness, or other characteristics of, especially when surveying or navigating.
v (transitive) To apply sights to; to adjust the sights of.
v (transitive, intransitive) To observe or aim (at something) using a (gun) sight.