Emily Dickinson Lexicon

WA-TER-FALL, n. [water and fall.]

A fall or perpendicular descent of the water of a river or stream, or a descent; nearly perpendicular; a cascade; a cataract. But the word is generally used of the fall of a small river or rivulet. It is particularly used to express a cascade in a garden, or an artificial descent of water, designed as an ornament. – Cyc.