2 definitions found
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Cataract \Cat"a*ract\, noun [L. cataracta, catarracles, a
waterfall, Gr. ?, ?, fr. ? to break down; in the passive, to
fall or rush down (of tumors) to burst; kata' down + ? to
1. A great fall of water over a precipice; a large waterfall.
2. (Surg.) 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.
3. (Mach.) A kind of hydraulic brake for regulating the
action of pumping engines and other machines; -- sometimes
From WordNet (r) 3.0 (2006) [wn]:
1: an eye disease that involves the clouding or opacification
of the natural lens of the eye
2: a large waterfall; violent rush of water over a precipice
Definitions retrieved from the Open Source DICT English and WordNet 3.0 dictionaries. Click here for database copyright information.
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