Definition of "Sight" :
noun: the act of looking or seeing or observing
noun: the range of vision
"Out of sight of land."
noun: the ability to see; the visual faculty
noun: an instance of visual perception
"The sight of his wife brought him back to reality."
noun: a range of mental vision
"In his sight she could do no wrong."
noun: anything that is seen
"He was a familiar sight on the television."
noun: (often followed by of') a large number or amount or extent
verb: catch sight of; to perceive with the eyes
"He caught sight of the king's men coming over the ridge."
verb: take aim by looking through the sights of a gun (or other device)