Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun cataract

2 senses of cataract

Sense 1
cataract -- (an eye disease that involves the clouding or opacification of the natural lens of the eye)
       => eye disease -- (any disease of the eye)

Sense 2
cataract -- (a large waterfall; violent rush of water over a precipice)
       => waterfall, falls -- (a steep descent of the water of a river)