n.[C]

1. 大瀑布
2. 激流；豪雨；洪水[P1]
   Cataracts of rain flooded the streets.

   倾盆大雨弄得街道淹水。

3. 【医】白内障
   remove a cataract

   去除白内障

n.

1. a large waterfall.
2. a medical condition in which the lens of the eye becomes progressively opaque, resulting in blurred vision.