a storm with dry, driving snow, strong winds, and intense cold.
a heavy and prolonged snowstorm covering a wide area.
an inordinately large amount all at one time; avalanche: a blizzard of Christmas cards.
verb (used without object)
to snow as a blizzard: Looks as though it's going to blizzard tonight.

1820–30, Americanism; earlier: violent blow, shot; compare British dial. (Midlands) blizzer, blizzom blaze, flash, anything that blinds momentarily; probably expressive formations with components of blast, blaze1, bluster, etc.

blizzardy, blizzardly, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
blizzard (ˈblɪzəd)
a strong bitterly cold wind accompanied by a widespread heavy snowfall
[C19: of uncertain origin]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1859, origin obscure (perhaps somehow connected with blaze (1)); it came into general use in the U.S. in the hard winter 1880-81, though it was used with a sense of "violent blow" in Amer.Eng., 1829; and blizz "violent rainstorm" is attested from 1770.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
blizzard   (blĭz'ərd)  Pronunciation Key 
A violent snowstorm with winds blowing at a minimum speed of 56 km (35 mi) per hour and visibility of less 400 m (0.25 mi) for three hours.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica


severe weather condition that is distinguished by low temperatures, strong winds, and large quantities of either falling or blowing snow. The U.S. Weather Service defines a blizzard as a storm with winds of more than 56 km (35 miles) per hour and enough snow to limit visibility to 150 m (500 feet) or less. A severe blizzard has winds of over 72 km (45 miles) per hour, visibility near zero, and temperatures of -12 C (10 F) or lower. A ground blizzard occurs when there is no falling snow, but snow is drifting and blowing near the ground

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
The powerful storm is unleashing damaging winds, blizzard conditions, huge
  waves and coastal flooding.
Of late there has been considerable newspaper discussion about the origin of
  the term blizzard.
Freshmen in college wade through a blizzard of calculus, physics and chemistry
  in lecture halls with hundreds of other students.
The matter has been contested in a blizzard of law suits ever since.
Images for blizzard
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