Cataract Definition

kătə-răkt
cataracts
noun
A large waterfall.
Webster's New World
Any strong flood or rush of water; deluge.
Webster's New World
An eye disease in which the crystalline lens or its capsule becomes opaque, causing partial or total blindness.
Webster's New World
The opaque area.
Webster's New World
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Other Word Forms of Cataract

Noun

Singular:
cataract
Plural:
cataracts

Origin of Cataract

  • Middle English cataracte from Old French from Latin cataracta from Greek katarraktēs, kataraktēs downrush, waterfall, portcullis probably from katarassein to dash down (kat-, kata- cata-) (arassein to strike) Sense 3, from a comparison to a portcullis or other falling impediment or covering

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin cataracta 'waterfall, portcullis', from Ancient Greek καταράκτης (kataraktēs), from καταράσσω (katarassō, “I pour down”).

    From Wiktionary

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