καταρράκτης

Etymology
From

Noun

 * 1) waterfall
 * 2) a kind of portcullis
 * 3) a kind of seabird, perhaps a gull or osprey
 * 4)  rushing downward

Etymology
From

Noun

 * 1)  cataract
 * 2) flood, inundation
 * 3)  waterfall, cataract, rapids