the act of seeing; perception of objects by the eye; view; as, to gain sight of land.-the power of seeing; the faculty of vision, or of perceiving objects by the instrumentality of the eyes.-the state of admitting unobstructed vision; visibility; open view; region which the eye at one time surveys; space through which the power of vision extends; as, an object within sight.-a spectacle; a view; a show; something worth seeing.-the instrument of seeing; the eye.-inspection; examination; as, a letter intended for the sight of only one person.-mental view; opinion; judgment; as, in their sight it was harmless.-a small aperture through which objects are to be seen, and by which their direction is settled or ascertained; as, the sight of a quadrant.-a small piece of metal, fixed or movable, on the breech, muzzle, center, or trunnion of a gun, or on the breech and the muzzle of a rifle, pistol, etc., by means of which the eye is guided in aiming.-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 or the like, the open space, the opening.-a great number, quantity, or sum; as, a sight of money.-to get sight of; to see; as, to sight land; to sight a wreck.-to look at through a sight; to see accurately; as, to sight an object, as a star.-to apply sights to; to adjust the sights of; also, to give the proper elevation and direction to by means of a sight; as, to sight a rifle or a cannon.-to take aim by a sight.