a hole, as on a quadrant, through which to see or to sight.
noun 1. gazehound.
noun 1. the power or faculty of seeing; perception of objects by use of the eyes; vision. 2. an act, fact, or instance of seeing. 3. one’s range of vision on some specific occasion: Land is in sight. 4. a view; glimpse. 5. mental perception or regard; judgment. 6. something seen or worth seeing; spectacle: […]
adjective 1. unable to see; blind. 2. invisible. adjective 1. blind 2. invisible
noun 1. any of the lines of sight between the spectators and the stage or playing area in a theater, stadium, etc.: Some of the sightlines are blocked by columns. noun 1. an uninterrupted line of vision, as in a theatre, etc, or from a vehicle joining a road