Noun

(en noun)

(obsolete) A waterspout

A large waterfall; steep rapids in a river.

''The cataracts on the Nile helped compartiment Upper Egypt

A flood of water (rfex)

An overwhelming downpour or rush

''His cataract of eloquence

(pathology) A disease of the eye causing its opacity and, unless treated, leading to blindness.

* {{quote-book

, year=1999 , author=J J Gallo, J Busby-Whitehead, W Reichel, P V Rabins, R A Silliman , title=Reichel's care of the elderly , chapter= citation , isbn= , page=563 , passage=Rarely, a dense, swollen neglected cataract precipitates an angle-closure glaucoma.}}