waterfall

[ waw-ter-fawl, wot-er- ]
/ ˈwɔ tərˌfɔl, ˈwɒt ər- /

noun

a steep fall or flow of water in a watercourse from a height, as over a precipice; cascade.
a manner of arranging women's hair, as in long, loose waves.

adjective

noting or relating to a philosophy of product development and production that includes sequential stages, from conception and design through testing and implementation, resulting in one finalized version of the product: waterfall development; waterfall management;a waterfall model.Compare agile (def. 4). See also waterfall development.

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Origin of waterfall

First recorded before 1000; Middle English; Old English wætergefeall. See water, fall
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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British Dictionary definitions for waterfall

waterfall
/ (ˈwɔːtəˌfɔːl) /

noun

a cascade of falling water where there is a vertical or almost vertical step in a river
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for waterfall

waterfall
[ wôtər-fôl′ ]

n.

Blood flow in vascular beds where lateral pressure greatly exceeds venous pressure and tends to collapse vessels.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.