Cataract

Cataract - Other Definitions

• (n.) A great fall of water over a precipice; a large waterfall.
  
  
• (n.) An opacity of the crystalline lens, or of its capsule, which prevents the passage of the rays of light and impairs or destroys the sight.
  
  
• (n.) A kind of hydraulic brake for regulating the action of pumping engines and other machines; -- sometimes called dashpot.