Definition of sight:
an instance of visual perception; "the sight of his wife brought him back to reality"; "the train was an unexpected sight"
anything that is seen; "he was a familiar sight on the television"; "they went to Paris to see the sights"
the ability to see; the visual faculty
a range of mental vision; "in his sight she could do no wrong"
the range of vision; "out of sight of land"
the act of looking or seeing or observing; "he tried to get a better view of it"; "his survey of the battlefield was limited"
(often followed by `of') a large number or amount or extent; "a batch of letters"; "a deal of trouble"; "a lot of money"; "he made a mint on the stock market"; "see the rest of the winners in our huge passel of photos"; "it must have cost plenty"; "a slew of journalists"; "a wad of money"
catch sight of; to perceive with the eyes; "he caught sight of the king's men coming over the ridge"
take aim by looking through the sights of a gun (or other device)