WATERFALL
waterfall, falls
(noun) a steep descent of the water of a river
Source: WordNet® 3.1
Etymology
Noun
waterfall (plural waterfalls)
a flow of water over the edge of a cliff.
Synonyms: cataract, cascade
(figuratively) A waterfall-like outpouring of liquid, smoke, etc.
(technical, computing, slang) Waterfall model
(slang, America) The action of drinking from a vessel without touching it with the lips, considered more sanitary for a shared vessel.
(colloquial, dated) A necktie.
(colloquial, dated) A chignon.
Synonyms
• (flow of water over the edge a cliff): cascade, cataract, sault
Verb
waterfall (third-person singular simple present waterfalls, present participle waterfalling, simple past and past participle waterfalled)
(intransitive) To fall like a waterfall.
(transitive) To drink (something) from a container by pouring it from a height so as not to touch one's lips to the rim.
Source: Wiktionary
Wa"ter*fall`, n.
1. A fall, or perpendicular descent, of the water of a river or
stream, or a descent nearly perpendicular; a cascade; a cataract.
2. (Hairdressing)
Definition: An arrangement of a woman's back hair over a cushion or frame
in some resemblance to a waterfall.
3. A certain kind of neck scarf. T. Hughes.
Source: Webster’s Unabridged Dictionary 1913 Edition