Meaning of aurora borealis

auro'ra bo•re•al'is

Pronunciation: (bôr"ē-al'is, -ā'lis, bōr"-), [key]
— Meteorol. Meteorol.
  1. the aurora of the Northern Hemisphere. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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