1. A great waterfall; a disease of the eye, consisting in an opacity of the crystalline lens, or its capsule, by which vision is impaired or destroyed.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• atract,
• cateract,
• kataract,
• chataract,
• catarct,
• cantract,
• contaract,
• catact,
• catarac,
• catract,
• catarax,
• cntract,
• catarracs,
• cataracs,
• cotract,
• cataraccts,
• caterack,
• catapract,
• atrract,
• catarects

• contract,
• Cathars,
• detract,
• tract,
• catharacta,
• attract.

The adjective form of the word "cataract" is "cataractic" or "cataractal". However, it is more common to use phrases like "cataract surgery" or "cataract lens" to describe things related to cataracts.

The plural of the "cataract" can be the "cataracts".

The singular of the "cataract" can be the "cataract".