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n. A large or high waterfall.

n. A great downpour; a deluge.

n. Pathology Opacity of the lens or capsule of the eye, causing impairment of vision or blindness.

n. A waterspout

n. A large waterfall; steep rapids in a river.

n. A flood of water

n. An overwhelming downpour or rush

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

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.

n. A descent of water over a steeply sloping but not perpendicular surface, as the cataracts of the Nile and the Orinoco; hence, especially in poetical use, any large waterfall, as that of the Niagara.

n. Any furious rush or downpour of water.

n. A disease of the eye, characterized by opacity of the lens.

n. In fortification, a herse.

n. A regulator for single-acting steam-engines, invented by Smeaton.

n. The plungeon, a kind of cormorant: so called because of its violent downward flight in seizing its prey.

n. In mech., a device for regulating the number of strokes per minute in a Cornish pumping-engine, in which the velocity of a falling weight, or a spring-weighted piston, is governed by the flow of water through a variable opening, whose cross-section can be controlled at will, so that the period of the stroke or the interval between strokes can be made longer or shorter.

To form cataracts.

To pour, like a cataract.

n. a large waterfall; violent rush of water over a precipice

n. an eye disease that involves the clouding or opacification of the natural lens of the eye

"The actual meaning of the term cataract is waterfall and refers to the opacity of the crystalline lens of the eye."

waterfall    falls   

discission of cataract    glacier cataract    senile cataract    cortical cataract    black cataract    soft cataract    lamellar cataract    zonular cataract    diabetic cataract   

dashpot   

cataractal   

waterfall    deluge   

waterfall    torrent    precipice    cascade    gorge    chasm    billow    whirlwind    whirlpool    glacier