A cataract is an opacity in the lens of the eye or its capsule. Cataract also may refer to: Cataract, any large, powerful waterfall Cataract (beam engine), governor used for early steam engines Jehu (or John) O'Cataract, two pen names for John Neal (1793-1876) Shawinigan Cataractes, ice-hockey team Places Cataract Gorge, river gorge on Tasmania, off Australia Egypt Cataracts of the Nile Old Cataract Hotel, a hotel in Aswan, Egypt Canada Cataract, Ontario United States Cataract, Indiana Cataract, Wisconsin Cataract Canyon, a 46-mile-long canyon on the Colorado River in Utah Music Performing groups The Cataracs, Berkeley, California hip hop duo Cataract (band), European metalcore band from Switzerland Works Cataract (Cataract album), by the eponymous band Songs: "Cataract," by Sparta on album Wiretap Scars (2002) "Cataracts", by Andrew Bird on album Armchair Apocrypha (2007)