In Geography What Is a Cataract?

Cataract, a waterfall (q.v.), especially one containing great volumes of water rushing over a precipice.

What is the difference between rapids and cataracts?

Rapid Rapid is a reflection of a river or stream while cataract is a pure water spout .

What did cataract mean?

A cataract is a clouding of the normally clear lens of your eye. For people who have cataracts, seeing through cloudy lenses is a bit like looking through a frosty or fogged-up window.