from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A steep descent of water from a height; a cascade.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A flow of water over the edge of a cliff.
- n. A waterfall-like outpouring of liquid, smoke, etc.
- n. Waterfall model
- v. To fall like a waterfall.
from the GNU version of the Collaborative International Dictionary of English
- n. A fall, or perpendicular descent, of the water of a river or stream, or a descent nearly perpendicular; a cascade; a cataract.
- n. An arrangement of a woman's back hair over a cushion or frame in some resemblance to a waterfall.
- n. A certain kind of neck scarf.
from The Century Dictionary and Cyclopedia
- n. A steep fall or flow of water from a height; a cascade; a cataract.
- n. A neck-tie or scarf with long drooping ends.
- n. A chignon.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a steep descent of the water of a river
From Middle English waterfal, waterfalle, from Old English wæterġefeall ("waterfall"), equivalent to water + fall. Cognate with West Frisian wetterfal ("waterfall"), Dutch waterval ("waterfall"), German Wasserfall ("waterfall"), Swedish vattenfall ("waterfall"). (Wiktionary)