n.
1.an instance of visual perception
2.anything that is seen
3.the ability to see
4.a optical instrument for aiding the eye in aiming, as on a firearm or surveying instrument
5.a range of mental vision
6.the range of vision
7.the act of looking or seeing or observing
8.(often followed by `of') a large number or amount or extent sight v.
1.catch sight of
Idiom of the Day
have had it up to here with (someone or something)
to have reached the end of one's endurance or tolerance of someone or something
The teacher has had it up to here with the bad behavior of the students.