Source : Webster's Revised Unabridged Dictionary (1913)

Blizzard \Bliz"zard\ (bl[i^]z"z[~e]rd), n. [Cf. {Blaze} to
   flash. Formerly, in local use, a rattling volley; cf. ``to
   blaze away'' to fire away.]
   A gale of piercingly cold wind, usually accompanied with fine
   and blinding snow; a furious blast. [U. S.]

Source : WordNet®

blizzard
     n 1: a storm with widespread snowfall accompanied by strong winds
          [syn: {snowstorm}]
     2: a series of unexpected and unpleasant occurrences; "a rash
        of bank robberies"; "a blizzard of lawsuits" [syn: {rash}]